Pro Products Poly Guard® Crystals - Prevent Hard Water Scale Scale & Rust Preventer Size:3 lb bottle Relton has manufactured professional-grade drilling

Relton has manufactured professional-grade drilling tools for plumbers and installers since 1947

Genuine OEM replacement piston for Fleck 5600 SXT

5" pleated polyester sediment filter cartridge that delivers 5 micron filtration for whole house and well water applications

Engineered carbon density maintains flow rates while maximizing filtration efficiency

Pro Products Poly Guard® Crystals - Prevent Hard Water Scale Scale & Rust Preventer Size:3 lb bottle Relton has manufactured professional-grade drillingPro 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