Unicel Replacement Filter Cartridge 25 sf | 4CH-24 Chlorine Feeders 105 sq ft of 4

105 sq ft of 4 oz polyester “Reemay” media with ~168 pleats

equipment and salt system cells from mineral buildup and metal staining

and many others

Motor Type: Permanent magnet

Unicel Replacement Filter Cartridge 25 sf | 4CH-24 Chlorine Feeders 105 sq ft of 4Unicel 4CH 24 Spa Pool Filter Cartridge (25 sq ft) The Unicel 4CH 24 is a high quality replacement filter cartridge commonly used in spas and small pool filtration systems. It offers reliable filtration performance, helping keep water clear by capturing debris, oils, and fine particles. Key Features 25 sq ft of pleated filter media enough surface area for effective filtration on smaller pools or spas. 173 pleats with spun bonded polyester media