Watts-(SF5-20) Watts String Wound Cartridge Standard 20 in PFR402-500 5" Carbon Block Filter with

5" Carbon Block Filter with Phosphate Scale Inhibitor

and verify thread compatibility—0

Higher iron or hydrogen sulfide levels reduce service life

Bracket Details

Chloramines

Watts-(SF5-20) Watts String Wound Cartridge Standard 20 in PFR402-500 5" Carbon Block Filter withThe Watts SF5 20 is a 20 inch string wound sediment filter cartridge built with 100% polypropylene construction for superior chemical resistance and zero media migration. Rated at 5 microns, this food grade cartridge handles temperatures up to 140F and pressures up to 40 psi, making it suitable for both under counter and whole house filtration applications. SPECIFICATIONS Watts SF5 20 Core Specifications Filtration Rating 5 Micron String wound