Fits Home Master Mini Plus model #HM-MINI-Plus BPA Free • Made in USA Typical filter life: 750 gallons or 1 year Operating conditions: Potable chlorinated municipal water supply pH: 6.5-8.5 (99% lead removal at 6.5 pH, 90-96% lead removal at 8.5 pH) Manganese: <1 ppm Iron: < 1ppm Iron Bacteria: NONE Hydrogen Sulfide: < 1ppm Feed water: PSI 20 - 90 PSI Feed water Temperature: 40˚ - 100˚(F) Max. Total Dissolved Solids (TDS): 2000 ppm.