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

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

Monitor initial permeate quality and flow rate

Not for use with air gap systems requiring dedicated drain connections

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