WATER, INC. offers two models of HousePure whole-house water filtration systems. Model01 is designed for homes up to 4,000 square feet and filters up to 24 gpm (90.84 L/m); Model03, designed for even larger homes, handles water flow in excess of 35 gpm (132.48 L/m). The factory-programmed systems use coconut shell granular activated carbon and include a special Media Guard with nearly five pounds of KDF-55 bacteriostat. Virtually maintenance-free, the self- cleaning systems feature automatic backwashing electronics to help remove sediment and impurities that would otherwise reduce useful life. Removes chlorine, lead, mercury, iron, hydrogen sulfide and other contaminants.www.waterinc.com(800) 322-9283