Unicel C-7492 Replacement Filter Cartridge | 100 sq. ft. | Pentair Sea Horse 400
- Low stock - 2 items left
- SKU:
- C-7492
-
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About This Item
The Unicel C-7492 is a 7000 Series 100 sq. ft. replacement filter cartridge engineered for the Pentair Sea Horse 400 cartridge filter system — available in both stainless steel and fiberglass tank configurations. With 150 pleats of 4 oz. Reemay 2040 filter media, this cartridge delivers exceptional dirt-holding capacity and extended service life for high-capacity pool filtration.
⚠️ IMPORTANT: Full Filter Service Requires 4 Cartridges
Your Pentair Sea Horse 400 filter system requires 4 cartridges for a complete service, providing 400 sq. ft. of total filtration area. Replacing all cartridges at the same time ensures consistent flow, balanced filtration, and full filter efficiency. Add 4 units to your cart to complete your filter service.
Specifications
| Filter Area | 100 sq. ft. |
| Length | 24 3/4" |
| Outer Diameter | 7" |
| Top Inner Diameter | 2 5/8" |
| Bottom Inner Diameter | 2 5/8" |
| Material | 4 oz. Reemay 2040 |
| Pleat Count | 150 |
|
Top Cap: Open
|
Bottom Cap: Open
|
Fits Into:
| OEM Brand | Product Name | Part Number | Notes |
| Pentair | Sea Horse 400 (Stainless Steel Tank) | R173317 | Four 100 sq. ft. cartridges required |
| Pentair | Sea Horse FSH-400 (Fiberglass Tank) | R173317 | Four 100 sq. ft. cartridges required |
| Pentair – Pac-Fab | Sea Horse 400 (Stainless Steel Tank) | 1722841 | Four 100 sq. ft. cartridges required |
| Pentair – Pac-Fab | Sea Horse FSH-400 (Fiberglass Tank) | 172878 | Four 100 sq. ft. cartridges required |
(This is not an exhaustive list.)
Pro Tip: Measure your existing cartridge before ordering — confirm the 7" outer diameter and 24 3/4" length. When servicing a multi-cartridge system, always replace all four cartridges at the same time to ensure balanced flow distribution and consistent filtration performance across the entire filter assembly.
Also known as: C7492
