Pro Products Poly Guard® Crystals - Prevent Hard Water Scale Scale & Rust Preventer Filtrex (FX10CERAMIX) 9.75"x2.75" Ceramic Coconut Shell Greencarbon Block 0.2 Micron Filter The Aries AF-20-3630-BB fits all

The Aries AF-20-3630-BB fits all standard 20-inch Big Blue filter housings with 4

mark the installation date on the filter body with a permanent marker

This dual-media filter uses oxidation-reduction chemistry and bacteriostatic properties to treat problem water at the whole-house level

Include air check replacement when rebuilding or servicing Fleck control valve assemblies to prevent future backflow issues and ensure complete system reliability

Inlet port accepts 0

Pro Products Poly Guard® Crystals - Prevent Hard Water Scale Scale & Rust Preventer Filtrex (FX10CERAMIX) 9.75"x2.75" Ceramic Coconut Shell Greencarbon Block 0.2 Micron Filter The Aries AF-20-3630-BB fits allPro Products Poly Guard Crystals form a protective coating on water exposed surfaces to prevent hard water scale and iron buildup in your plumbing, equipment, and appliances. NSF certified to Standard 60, this polyphosphate formula sequesters up to 12 GPG hardness and 1 GPG iron, treating 20,000 gallons per pound through compatible filter housings. SPECIFICATIONS Technical Details Manufacturer Pro Products Product Type Polyphosphate Scale Prevention