HF4975-01 Advanced Spa Filter Cartridge For Pleatco PRB75 Unicel C-4975 surface debris net Plug‑in convenience: No electricians or

Plug‑in convenience: No electricians or complex wiring required—simply plug into an outdoor outlet to start automatic control

Easy dosing and maintenance: Simple dosing integrates into existing routines without extra steps

Add to cart and prep your next PVC project with confidence

It uses a low-salt electrolytic process to generate chlorine on demand

Built-in sampling cup eliminates test strips and reagents

HF4975-01 Advanced Spa Filter Cartridge For Pleatco PRB75 Unicel C-4975 surface debris net Plug‑in convenience: No electricians orHF4975 01 Advanced Spa Filter Cartridge Intro The HF4975 01 Advanced Spa Filter Cartridge is a direct replacement for Pleatco PRB75 and Unicel C 4975, delivering cleaner spa water with tighter filtration via advanced point bond media. Made in the USA with exclusive turquoise end caps, this cartridge is designed for reliable performance and easy identification in your filtration system. List of Features Compatibility: Replaces Pleatco PRB75, Unicel C