Reduces many contaminants to provide bottled water quality water right at your kitchen sink for a fraction of the cost. Designed for use with municipal and private well water supplies. Replacement Whirlpool WHEERM reverse osmosis membrane (fits systems WHAROS5, WHAPSRO and WHER25) System is certified to reduce numerous contaminants including chlorine taste and odor, sediment, cysts, lead, chemicals, and dissolved solids 2 Year filter life - replace your systems membrane every 1 to 2 years depending on your water conditions as it is essential to change your filters on time to ensure your system is working properly UltraEase™ filter replacement - change filter in seconds with just a quarter turn – no hassles, no mess, no need to turn off your water supply NSF certified Includes: one WHEERM membrane and replacement battery for EZ-Change™ indicator light Color/Finish Family: White Series Name: WHEERM Diameter (Inches): 2.5 Height (Inches): 10 Length (Inches): 2.75 Weight (lbs.): 1 Width (Inches): 2.75 Filter Life (Months): 36 Filtration Method: Reverse osmosis Lowe's Exclusive: No Number of Filters: 1 Placement: Under sink Reduces Chemicals: Yes Reduces Chlorine Taste and Odor: No Reduces Cysts: Yes Reduces Iron: No Reduces Lead: Yes Reduces Micro-Organisms: No Reduces Pharmaceuticals: No Reduces Sediment: No Reverse Osmosis Filtration: Yes Total Dissolved Solids (Percentage): 90 Total Number of Pieces: 1 Warranty: None Brand/Model Compatibility: Whirlpool WHAROS5, WHER255, WHAPSRO CA Residents: Prop 65 Warning(s): No Safety Listing: NSF safety listing UNSPSC: 40161500