Pro Poly Guard Cartridge Rust & Scale Preventer & Spa Filters scale reduction)

scale reduction)

total chlorine

Space Saver (OB21)

which is twice what the competition has to offer

Also known as Watts Pure Water PWPL170M1AB

Pro Poly Guard Cartridge Rust & Scale Preventer & Spa Filters scale reduction)Features: Longevity: the cartridge alone will treat approximately 30,000 gallons of water (depending on water conditions) NSF Certification to meet NSF ANSI Standard 60 for drinking water additives Efficiency: sequesters hard water and low levels of iron, reducing scale build up and hard water rust staining. Odorless Non hazardous by WHMIS OSHA criteria Consumer Note: When the cartridge reaches the 30,000 gallon capacity, do not buy a new cartridge.