3M™ Aqua-Pure™ Scale Inhibitor System, 10 gpm, 10-1/4 in H, 25 to 125 psi, 40 to 100 deg F, NPT, 3/4 in, 316 Stainless Steel, Import
The 3M™ Whole House Scale Inhibition Water Treatment System AP430SS contains polyphosphates to bind calcium and magnesium hardness minerals, preventing them from precipitating out (or becoming a solid) and building up on metallic surfaces such as water heaters and plumbing fixtures like faucets, pipes and shower heads.