Unicel Filter Cartridges and DE Grids

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      Shop top-rated Unicel® filtration at Poolaroo.

      Unicel is a industry leader in pool filtration since the 1970's, supplying us with clean water by way of Filter Cartridges and DE Grids. American company with American-made products. Find your perfect match filtration media here at Poolaroo and enjoy fast shipping, great prices, and trusted quality - including direct warranty support!

      We love Unicel products and parts! That's why Poolaroo is an Authorized Reseller of Unicel products.  Here is the most important info to know about this brand. 

      Warranty Information

      Did you purchase a Unicel item from Poolaroo, and need warranty help? Contact us! We directly assist our customers for warranty returns & claims.

      Shop our entire Unicel catalog!

      221 products
      Tall cylindrical pool filter cartridge with white pleated material and blue end caps isolated on white background
      Unicel C-9440 Replacement Filter Cartridge for Hayward SwimClear C100S | 100 Sq. Ft. | 19 5/8"
      Unicel
      $79.99
      tall cylindrical pool filter cartridge with white pleated filter material and blue plastic caps on both ends
      Tall cylindrical pool filter cartridge with white pleated surface and blue end caps isolated on a white background
      Unicel Replacement Filter Cartridge for Harmsco SC/TC-155 | 155 sq. ft. | C-7697
      Unicel
      $117.99
      Tall cylindrical white pool filter cartridge with red trim on top and bottom against white background
      Unicel 9000 Series Replacement Filter Cartridge 150 Sq. Ft. | Pentair Predator / Clean & Clear | C-9415
      Unicel
      $130.99
      ★★★★★ (427)
      cylindrical spa filter cartridge with white pleated fabric and blue plastic end caps featuring Unicel branding and product details label
      Cylindrical spa replacement filter cartridge with white pleated fabric and blue plastic ends on neutral background
      Unicel 6CH-352 Replacement Filter Cartridge | 35 sq. ft. Spa Cartridge, 6" OD
      Unicel
      $44.99
      Unicel Replacement Filter Cartridge 200 Sf Jandy Cs200 | C-8418
      Unicel Replacement Filter Cartridge 200 Sf Jandy Cs200 | C-8418
      Unicel 8000 Series Replacement Filter Cartridge 200 sq. ft. | C-8418
      Unicel
      $150.99
      ★★★★★★ (195)
      Unicel Replacement Filter Cartridge 200 sf Jandy CJ200 | C-9421
      Unicel 9000 Series 200 sq. ft. Replacement Filter Cartridge | Jandy CJ200 | C-9421
      Unicel
      $167.99
      Stack of circular white filter grid discs with a central hole for pool spa filter replacement
      circular white filter grid disc with a center plastic ring and radially arranged textured mesh pattern
      Unicel Filter Grid Disc for Sta-Rite | S-0175
      Unicel
      $22.99
      ★★★★★★ (4)
      Unicel 24" DE Filter Grid Set for Pac Fab/American/Hayward | FS-2004
      Unicel FS-2004 Complete DE Filter Grid Set | 48 sq. ft. | 7 Full + 1 Partial Grid | FG-1004 + PG-1904
      Unicel
      $169.99
      ★★★★★★ (431)
      White pleated cylindrical replacement filter cartridge with blue caps and a label featuring a cartoon character
      cylindrical white pleated filter cartridge with blue plastic ends standing upright on a white surface
      Unicel C-7370 Replacement Filter Cartridge for Sundance Spas 6540-483 | 75 Sq. Ft. | 17 3/4"
      Unicel
      $65.99
      Unicel 8CH-502 Replacement Filter Cartridge | 50 sq. ft. | Vita Spas PVT 50WH
      Unicel
      $55.99
      white cylindrical pool filter cartridge with blue end caps and a blue label featuring brand and usage information
      white cylindrical replacement filter cartridge with blue plastic end caps and pleated surface standing upright on white background
      Unicel 6CH-502 Replacement Filter Cartridge | 50 sq. ft. | Fits Artesian Spas
      Unicel
      $45.99
      Tall cylindrical white pleated pool filter cartridge with blue end caps and detailed label featuring a cartoon filter character
      cylindrical white pleated replacement filter cartridge with blue end caps and a white band with text around the center
      Unicel Replacement Filter Cartridge 50 sf Rainbow In-Line | C-4950
      Unicel
      $40.99
      ★★★★★ (433)
      tall cylindrical pleated pool filter cartridge with white body and blue edges showing a label with brand and product details
      cylindrical pleated pool filter cartridge with a blue rim top and bottom shown against a white background
      Unicel 8000 Series 150 sq. ft. Replacement Filter Cartridge | C-8416
      Unicel
      $116.99
      ★★★★★★ (139)
      Tall cylindrical pleated white filter cartridge with blue rims on top and bottom against white background
      Unicel Replacement Filter Cartridge 100 sq. ft. | Aquapro Apex 100 | C-9494
      Unicel
      $129.99
      Tall cylindrical white pleated pool filter cartridge with blue top and label showing Unicel branding and product details
      Tall cylindrical pool filter cartridge with white pleated material and blue top edge against white background
      Unicel 9000 Series 120 sq. ft. Replacement Filter Cartridge | C-9481
      Unicel
      $130.99
      Cylindrical white pool and spa filter cartridge with blue plastic ends and a label featuring a smiling filter cartoon and text
      cylindrical white pleated pool and spa filter cartridge with blue end caps and two top tabs for easy handling
      Unicel C-7367 Replacement Filter Cartridge for Dimension One Spas & @Home Hot Tubs (2001+) | 75 Sq. Ft. | 10 1/2"
      Unicel
      $64.99
      Unicel Replacement Filter Cartridge 150 Sf Hayward Cs150E | C-9441
      Unicel 9000 Series 150 sq. ft. Replacement Filter Cartridge | C-9441
      Unicel
      $117.99
      Tall cylindrical pool filter cartridge with pleated white material and blue end caps labeled Unicel C-5625
      cylindrical pleated pool filter cartridge with blue end caps and a white band around the center on a white background
      Unicel C-5625 Replacement Filter Cartridge | 25 sq. ft. | Jacuzzi CFR-25, CFT-25
      Unicel
      $30.99
      Tall cylindrical pool filter cartridge with pleated white material, blue top edge, and orange bottom edge with a label
      Tall cylindrical pool filter cartridge with tightly pleated white filter material and blue top with orange bottom edges
      Unicel UHD-SR100 Replacement Filter Cartridge 102 sq. ft. | Sta-Rite Posi-Flo 100
      Unicel
      $98.99
      ★★★★★★ (201)
      C-8474 Unicel spa filter cartridge with white pleated material and blue circular end caps shown upright
      C-8474 Unicel spa filter cartridge with white pleated body and blue plastic top showing model number
      Unicel C-8474 Replacement Filter Cartridge for Astral 2507 CE Terra & Speck Pumps AC2507 | 75 Sq. Ft. | 15"
      Unicel
      $77.99
      Tall cylindrical blue pool filter cartridge with white bands and a detailed product label on the upper section
      Tall cylindrical blue pool filter cartridge with pleated surface and horizontal white bands on light background
      Unicel C-9450AM Replacement Filter Cartridge | 150 sq. ft. | Waterway Pro Clean 150
      Unicel
      $145.99
      cylindrical pool filter cartridge with white pleated fabric and blue plastic end caps marked with brand name
      cylindrical pool filter cartridge with blue plastic end caps and white pleated filter material wrapped in plastic
      Unicel 8000 Series 150 sq. ft. Replacement Filter Cartridge | C-8316
      Unicel
      $101.99
      ★★★★★★ (315)
      Tall cylindrical pool filter cartridge with pleated white material and blue ends standing upright against white background
      Cylindrical pool filter cartridge with white pleated material and blue plastic end caps on neutral background
      Unicel C-7652 Replacement Filter Cartridge for Sta-Rite Posi-Clean | 50 Sq. Ft. | 19 3/8"
      Unicel
      $60.99
      cylindrical spa filter cartridge with pleated white filtration fabric and blue plastic end caps with label
      cylindrical spa filter cartridge with blue plastic end caps and white pleated filter material
      Unicel 6CH-49 Replacement Spa Filter Cartridge 36 sq. ft. (Replaces 45 sq. ft. OEM Filters)
      Unicel
      $46.99
      Unicel Replacement Filter Cartridge 175 sf Hayward CCX1750RE | C-8317
      Unicel 8000 Series 175 sq. ft. Replacement Filter Cartridge | Hayward CCX1750RE | C-8317
      Unicel
      $109.99
      Tall cylindrical pool filter cartridge with pleated white material and blue end caps featuring a front label
      Tall cylindrical pool filter cartridge with white pleated filtering material and blue end caps on both sides
      Unicel C-7606 Replacement Filter Cartridge | Baker-Hydro Hydro-Mite | 75 Sq. Ft. | 29 3/8"
      Unicel
      $79.99
      Cylindrical white pool filter cartridge with blue end caps and a label featuring a mascot and product details
      Tall cylindrical replacement filter cartridge with blue caps and pleated white filtering material around the body
      Unicel C-7492 Replacement Filter Cartridge | 100 sq. ft. | Pentair Sea Horse 400
      Unicel
      $92.99
      Unicel FG-2413 Partial DE Filter Grid for Anthony Apollo & Flowmaster 4000 | 48 sq. ft. | 13½" × 24"
      Unicel
      $39.99
      tall cylindrical pool filter cartridge with white pleated fabric and blue end caps with product label and mascot
      Tall cylindrical white pool filter cartridge with pleated material and blue top and bottom edges against a white background
      Unicel C-7483-4 Replacement Filter Cartridge Set (4-Pack) for Hayward SwimClear C3025 & C3030 | 81 Sq. Ft. Each | 19 5/8"
      Unicel
      $247.99
      Unicel FG-1236 Replacement DE Filter Grid | 18-3/8" | Pentair Purex SM/SMBW 2036 & 4036
      Unicel
      $27.99
      ★★★★★ (15)
      {"alt" => "Product placeholder", "class" => "placeholder-svg"}
      Unicel T-380 Replacement Filter Cartridge for Harmsco & Swimquip | 6 Sq. Ft. | 9¾"
      Unicel
      $8.99
      ★★★★★ (11)
      Cylindrical pool filter cartridge wrapped in plastic with blue top and bottom and cartoon graphic on label
      cylindrical pool filter cartridge with white pleated material and blue end caps on white background
      Unicel C-4605 Replacement Filter Cartridge | 6 sq. ft. | Fits Muskin
      Unicel
      $14.99
      {"alt" => "Product placeholder", "class" => "placeholder-svg"}
      Unicel C-9442 Replacement Filter Cartridge | 200 sq. ft. | Hayward SwimClear CS200E
      Unicel
      $156.99
      Unicel Replacement Filter Cartridge 131 sf Hayward CX1280XRE | C-7494
      Unicel C-7494-4 Replacement Filter Cartridge Set (4-Pack) for Hayward SwimClear C5025 & C5030 | 131 Sq. Ft. Each | 32 13/16"
      Unicel
      $380.99
      {"alt" => "Product placeholder", "class" => "placeholder-svg"}
      37 SqFt Sta-Rite System 3 DE Grid Set
      Unicel
      $234.99
      Sweeper Hose Nozzle for Filter Cartridge Cleaning | U-NOZZLE
      Unicel
      $5.99
      Blue cylindrical Unicel C-4950AM antimicrobial spa filter cartridge with label and animated filter character on white background
      Tall cylindrical blue antimicrobial filter cartridge with pleated surface and white band in the middle
      Unicel C-4950AM Antimicrobial Filter Cartridge 50 sq. ft. | Spa & Hot Tub Replacement
      Unicel
      $54.99
      Unicel 6CH-402 Spa Filter Cartridge – 40 sq. ft. | Master Spas Twilight Series | 2" MPT
      Unicel
      $48.99
      Unicel FG-1248 Replacement DE Filter Grid | Pentair Purex SM/SMBW 48 sq. ft.
      Unicel
      $54.99
      ★★★★★★ (20)
      Unicel C-6616 Replacement Filter Cartridge | 16 Sq. Ft.
      Unicel
      $23.99
      Unicel C-6430AM Antimicrobial Replacement Filter Cartridge | 30 sq. ft. | Hot Springs / Watkins Spas
      Unicel
      $40.99
      Unicel C-7660 Replacement Filter Cartridge 60 sq. ft. | Pentair Mitra & Mytilus
      Unicel
      $57.99
      Unicel 8CH-951 Replacement Filter Cartridge | 40 sq. ft. | Bullfrog Spas
      Unicel
      $53.99
      Unicel 7000 Series Replacement Filter Cartridge 50 sq. ft. | C-7605
      Unicel
      $56.99
      Unicel 7000 Series 75 sq. ft. Replacement Filter Cartridge for Caldera Spas | C-7375
      Unicel
      $62.99
      Cylindrical white pleated pool filter cartridge with blue end caps and a label featuring a cartoon character and product information
      cylindrical pool and spa filter cartridge with white pleated material and blue plastic end caps on a white background
      Unicel C-6430 Replacement Filter Cartridge | 30 sq. ft. | Hot Springs Spas
      Unicel
      $33.99
      ★★★★★★ (83)
      Unicel C-2308 Replacement Filter Cartridge | 8 sq. ft. | 9 3/4" x 2 7/8"
      Unicel
      $39.99
      Unicel 4CH-950 | 25 Sq. Ft. Replacement Filter Cartridge | 12" with SAE Thread
      Unicel
      $40.99
      Unicel C-7415 | 65 Sq. Ft. Pool Filter Cartridge | 4 oz. Reemay 2040
      Unicel
      $58.99
      Unicel C-2699 Fill Filter Cartridge | 4 Sq. Ft. | Garden Hose Pool Fill Filter
      Unicel
      $43.99
      {"alt" => "Product placeholder", "class" => "placeholder-svg"}
      Unicel C-4346 Replacement Filter Cartridge for Santanna & Fountain Valley Spas | 45 Sq. Ft. | 17 3/4"
      Unicel
      $56.99
      Unicel C-4327AM Replacement Spa Filter Cartridge | 27.5 Sq. Ft. | Antimicrobial | Saratoga Spas 20242-238
      Unicel
      $41.99
      Unicel FG-3009 Replacement DE Filter Grid for Sta-Rite System 3 S7D75 – 18" x 9-11/16"
      Unicel
      $30.99
      Unicel C-5434 Replacement Filter Cartridge | 60 Sq. Ft. | Marquis Spas 20043, 370-0216
      Unicel
      $50.99
      Unicel 4CH-35 Replacement Filter Cartridge | 35 Sq. Ft. | Sundance & Hot Springs Spas
      Unicel
      $48.99
      Unicel S-7172 Replacement Filter Disc for Sta-Rite System 2 PLM Series | 17"
      Unicel
      $28.99
      Unicel C-4321 Replacement Filter Cartridge | 25 Sq. Ft. | Pentair Rainbow Leaf Trap & South Pacific Spas
      Unicel
      $30.99
      ★★★★★ (8)
      Unicel 5CH-752 Replacement Filter Cartridge for Cal Spas | 75 Sq. Ft.
      Unicel
      $57.99
      Unicel C-4349 Replacement Filter Cartridge | 50 Sq. Ft. | Advantage ELE-50
      Unicel
      $48.99
      Unicel C-8327 Replacement Filter for Sundance Spas | 125 Sq. Ft. | 19"
      Unicel
      $90.99
      Unicel C-6900 Replacement DE Filter Cartridge | 25 Sq. Ft.
      Unicel
      $127.99
      Unicel C-6980 Replacement DE Filter Cartridge | 20 Sq. Ft. | Pentair Quad DE 80
      Unicel
      $108.99
      cylindrical pool filter cartridge with pleated white filtration fabric and blue label featuring Unicel branding
      cylindrical pool or spa filter cartridge with white pleated material and black top and bottom edges
      Unicel Filter Cartridge 50 sq. ft. Jacuzzi CFR 50 | C-9650
      Unicel
      $60.99
      White cylindrical pool filter cartridge with blue end caps and label featuring a smiling cartoon filter character
      cylindrical white pleated filter cartridge with blue rims on top and bottom standing upright on white background
      Unicel 45 sq. ft. Replacement Filter Cartridge | C-5345
      Unicel
      $38.99
      ★★★★★ (35)
      Tall cylindrical white pleated water filter cartridge with blue rim caps and a label displaying brand and model information
      Tall cylindrical pool filter cartridge with white pleated surface and blue plastic end caps on plain background
      Unicel C-7679 Replacement Filter Cartridge for Pentair (Pac-Fab) Mytilus FMY 150 | 150 Sq. Ft. | 33 3/8"
      Unicel
      $134.99
      Tall cylindrical replacement filter cartridge with blue ends and pleated white filtration material, standing upright on a white background
      Tall cylindrical replacement filter cartridge with white pleated material and blue plastic end caps on a plain white background
      Unicel C-4402 Replacement Filter Cartridge for Aqua Spa | 20 Sq. Ft. | 9¾"
      Unicel
      $38.99
      Tall cylindrical pool filter cartridge with blue plastic end caps and pleated white filtration fabric with a label on the top section
      Tall cylindrical pool filter cartridge with white pleated material and blue caps on top and bottom against a plain white background
      Unicel C-7489 Replacement Filter Cartridge for Hayward Super-Star-Clear C4500 & SwimClear C4520 | 112 Sq. Ft. | 25 1/2"
      Unicel
      $88.99
      cylindrical white pleated filter cartridge with blue plastic ends and a label featuring a cartoon character and barcode
      cylindrical pleated white filter cartridge with blue plastic top and bottom against a plain white background
      Unicel Replacement Filter Cartridge 60 sq. ft. Master Spas PMA60-F2M | 8CH-66
      Unicel
      $70.99
      cylindrical pool or spa filter cartridge with blue plastic end caps and a label featuring a cartoon filter character and product details
      cylindrical replacement filter cartridge with blue plastic ends and white pleated filter material standing upright on white surface
      Unicel 7000 Series 32 sq. ft. Replacement Filter Cartridge | Coleman Spas, Artesian Spas | 7CH-322
      Unicel
      $40.99
      Unicel Replacement Filter Cartridge 100 Sf Hayward Cx1100Re | C-8610
      Unicel Replacement Filter Cartridge 100 Sf Hayward Cx1100Re | C-8610
      Unicel C-8610 Replacement Filter Cartridge | 100 sq. ft. | Hayward Star-Clear II C1100
      Unicel
      $97.99
      White elongated pool filter grid made of fine mesh fabric with a small tag and plastic connector at one end
      Close-up of a white mesh filter grid with a plastic circular end piece designed for pool filtration systems
      Unicel PG-1906 Partial DE Filter Grid | 36" | 72 Sq. Ft. Systems
      Unicel
      $41.99
      Tall cylindrical pool filter cartridge with white pleated material and blue top edge, labeled with Unicel brand and product details
      Tall cylindrical pool filter cartridge with blue top and black base featuring tightly pleated white filter material held by four horizontal bands
      Unicel C-7430 Replacement Filter Cartridge | 110 sq. ft. | Jacuzzi TC330 Tri-Clops
      Unicel
      $100.99
      cylindrical white pool filter cartridge with blue end caps and a label featuring a smiling cartoon filter giving a thumbs up
      cylindrical pool filter cartridge with white pleated filter material and blue plastic end caps isolated on white background
      Unicel 4000 Series 32 sq. ft. Replacement Filter Cartridge | C-4332
      Unicel
      $32.99
      cylindrical pool filter cartridge with white pleated material and blue caps on both ends standing upright on white background
      Tall cylindrical pool filter cartridge with pleated white material and blue end caps on a white background
      Unicel 5CH-502 Replacement Filter Cartridge | 50 sq. ft. | Marquis Spas & Cal Spas
      Unicel
      $44.99
      {"alt" => "Product placeholder", "class" => "placeholder-svg"}
      Unicel 18" Complete DE Filter Grid Set, 36 sq. ft. | FS-2003
      Unicel
      $129.99
      ★★★★★★ (302)
      cylindrical white pool filter cartridge with blue top and bottom edges and barcode label marked C-4310
      Cylindrical pool filter cartridge with white pleated material and blue plastic top and bottom edges on a plain background
      Unicel 4000 Series 10 sq. ft. Replacement Filter Cartridge | C-4310
      Unicel
      $18.99
      cylindrical pool and spa filter cartridge with pleated white fabric and blue end caps standing upright on plain white background
      cylindrical white pleated spa filter cartridge with blue ends and white band with logos on plain white background
      Unicel C-8465 Replacement Filter Cartridge for Hot Springs Spas, Tiger River & Caldera Spas | 65 Sq. Ft. | 10 1/2"
      Unicel
      $62.99
      ★★★★★★ (430)
      Tall cylindrical pleated water filter cartridge with blue edges and a label featuring a cartoon filter character and product details
      tall cylindrical pleated filter cartridge with blue end caps and white bands around the middle on a white background
      Unicel C-7450 Replacement Filter Cartridge | 50 sq. ft. | Pentair Commander
      Unicel
      $57.99
      cylindrical white pool filter cartridge with blue end caps and Unicel branding on label against white background
      cylindrical pool filter cartridge with white pleated material and blue plastic top and bottom fittings
      Unicel 4CH-20 Replacement Filter Cartridge | 20 sq. ft. | 1-1/2" MPT Bottom
      Unicel
      $27.99
      Cylindrical pool filter cartridge with blue top and bottom edges and white pleated body with barcode label
      cylindrical cartridge filter with white pleated paper and blue plastic top and bottom edges on a white background
      Unicel Replacement Filter Cartridge 40 sf Micro Filter | C-8341
      Unicel
      $51.99
      Unicel Filter Cartridges and DE Grids

      About Unicel Filter Cartridges and DE Grids

      The "Gold Standard" of Replacement Cartridges
      For over 50 years, Unicel (Meissner Mfg.) has been the professional's choice for restoring pool water clarity. While generic "knock-off" filters often use cheap, fuzzy fabric that clogs quickly, Unicel uses genuine Reemay® Filtration Media. This patented synthetic fiber features a unique trilobal shape that traps significantly more dirt and oils without choking your pump's water flow. Based in California, Unicel doesn't just copy filter dimensions; they engineer them to strict Original Equipment Manufacturer (OEM) specifications. This ensures a "lock-tight" fit in your filter tank, preventing debris from bypassing the system and returning to your pool.

      Why We Trust Unicel Filter Cartridges and DE Grids
      Genuine Reemay® Media: Uses continuous trilobal fibers to capture microscopic debris without restricting water flow.

      Precision "Exact Fit": Engineered to match your tank's original specifications for a 100% leak-free seal.

      Made in the USA: Manufactured in California with heavy-duty urethane end caps that resist cracking under pressure.

      Longer Lifespan: Sharp, rigid pleats resist collapsing during cleaning, meaning you buy fewer replacements over time.