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 Rated at 5 microns nominal

Rated at 5 microns nominal

Not for use with air gap systems requiring dedicated drain connections

75" Micron Rating 10 Nominal Filter Media NSF 42 & NSF 60 Certified Polyphosphate Capacity 25

QMP's exclusive ceramic disc handle technology provides smooth operation and long-lasting

Flow rates will vary based on feedwater chemistry

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 Rated at 5 microns nominalPro 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