Save with this compatible IPW Industries Inc. replacement filters. Replacement filter 4-pack for WHER12 or WHER18 Reduces sediment, chlorine taste and odor FITS COMPATIBLE WHIRLPOOL WHER12 AND WHER18 SYSTEMS Sears UltraFilter 150, 300, 350, 500 & 550, Whirlpool WHER 12 & WHER 18, EcoWater Compatible Fit Carbon Blocks 38476 Additional Details ------------------------------ Product description: Save with this compatible IPW Industries Inc. replacement filters. Replacement filter 4-pack for WHER12 or WHER18 Reduces sediment, chlorine taste and odor FITS COMPATIBLE WHIRLPOOL WHER12 AND WHER18 SYSTEMS Sears UltraFilter 150, 300, 350, 500 & 550, Whirlpool WHER 12 & WHER 18, EcoWater Compatible Fit Carbon Blocks 38476