Watts-SF-20 Watts String Wound Cartridge Standard 20" in Size:20 Micron and virtually all residential under-sink

and virtually all residential under-sink RO units

The Hydrotech 15180001 Shower Softener connects directly to standard shower plumbing lines

Unscrew Big Blue housing canister

These housings are commonly used in residential

Renewable coconut shell source with minimal environmental impact

Watts-SF-20 Watts String Wound Cartridge Standard 20" in Size:20 Micron and virtually all residential under-sinkThe Watts SF 20 string wound sediment filter delivers reliable mechanical filtration for whole house and under counter systems, removing particles down to 20 or 50 microns depending on the variant you choose. Built with 100% polypropylene construction, this 20" x 2. 5" cartridge offers superior chemical resistance and zero media migration for consistently clean water. SPECIFICATIONS Watts SF 20 Core Specs Dimensions 20" x 2. 5" Standard cartridge size