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

The sweat connection is preferred in installations with existing copper supply lines where a permanent

0 to 10 gallons per minute with injection-molded polysulfone construction that resists chemical degradation

Standard cut depth

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