Product Description
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OEM-quality Unicel® filter cartridge, model C‑4975, designed as a direct replacement for various spa and hot tub applications.
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Large pleated polyester media offers a high filtration surface area for efficient debris capture.
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Built with a durable core and reinforced end caps—designed for repeated cleanings.
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Compatible with multiple systems that previously used U‑29, US‑68, or C‑709 cartridges.
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Easy to clean by rinsing with a hose; replace every 12–18 months for optimal performance.
Product Specification
| Brand | Unicel |
|---|---|
| SKU | C-4975 |
| Dimensions | 10.75 × 4.75 × 4.75 in |
| Barcode | 678285140553 |
| Weight | 1.2 lb |
Product Compatibility
- 2021 - 2025 Hydropool 14AX AquaSport
- 2021 - 2025 Hydropool 14AX AquaTrainer
- 2021 - 2025 Hydropool 16EX ExecutiveSport
- 2021 - 2025 Hydropool 16EX ExecutiveTrainer
- 2021 - 2025 Hydropool 17AX AquaSport
- 2021 - 2025 Hydropool 17AX AquaTrainer
- 2021 - 2025 Hydropool 19DTAX AquaSport
- 2021 - 2025 Hydropool 19DTAX AquaTrainer
- 2021 - 2025 Hydropool 19EX ExecutiveSport
- 2021 - 2025 Hydropool 19EX ExecutiveTrainer
Filter Dimensions
| Diameter | 4.9375 |
|---|---|
| Length | 20.125" |
| Hole Size | 2.125 |
| Sq. Ft | 75 |
| Replacement(s) | 17501, APCC7221, AK-3051, 25390, 40751, XLS-409, FC-2395, FC-2395M, 17-175-1600, RA75, R173435, 17-2632, RTL-75, V-DSC-75, RTL-75, RCF-75, PRB75, PRB75-M, PDC100-AFS, PC-2395, SD-01226, 817-7500 |