Save with this compatible IPW Industries Inc. replacement filters. Replacement filter set for WHER12 or WHER18 1- Reverse Osmosis 50 GPD RO Membrane Reduces sediment chlorine taste and odor FITS COMPATIBLE WHIRLPOOL WHER12 AND WHER18 SYSTEMS Sears Kenmore UltraFilter 150 300 350 500 550 Whirlpool WHER 12 WHER 18 EcoWater Compatible Fit Carbon Blocks 38476