The Unicel 4CH-949AM Cartridge Filter is a 50-square-foot premium antimicrobial replacement filter engineered for superior water quality and hygiene in spas and hot tubs. Featuring Unicel’s advanced antimicrobial media, it inhibits the growth of bacteria and microorganisms while delivering powerful filtration performance and extended service life.

Key Features

Genuine Unicel antimicrobial replacement cartridge (Model 4CH-949AM)
50 sq. ft. of pleated polyester filtration media with antimicrobial protection
Measures 4-5/8" diameter x 13-1/2" length
Equipped with 2" SAE (coarse threaded) fitting for secure installation
Antimicrobial filter media helps prevent bacterial growth and odor formation
Reinforced center core for strength and stable water flow under pressure
Compatible with select Waterway®, Jacuzzi®, and other spa filter systems
Durable, chemical-resistant materials ensure long-lasting performance
Easy to clean and reinstall, reducing maintenance frequency
Ideal for maintaining cleaner, healthier, and clearer spa water

Product Overview
The Unicel 4CH-949AM Antimicrobial Cartridge Filter combines high-efficiency filtration with enhanced sanitation protection for spa and hot tub systems. Its 50-square-foot antimicrobial pleated media captures fine particles while actively inhibiting bacterial and biofilm growth, keeping water cleaner for longer periods.

Built with a heavy-duty reinforced core and a 2" SAE threaded fitting, this filter ensures a tight, leak-free fit and dependable performance under high flow conditions. The 4CH-949AM is ideal for spa owners seeking superior water clarity, improved hygiene, and reduced maintenance intervals. With Unicel’s trusted construction and antimicrobial technology, this filter delivers exceptional durability and consistent, crystal-clear water quality.

Unicel | 4CH-949AM | Antimicrobial Cartridge Filter – 50 Sq. Ft., 13-1/2" Length, 2" SAE Threaded Fitting