Key Features

• Premium Sediment Filtration: Our 1 micron sediment filter is constructed from 100% pure polypropylene, this filter effectively captures fine sediment, dirt, and rust down to 1 micron. Ideal as a pre-filter for whole house or point-of-use systems using well water.
• Triple-Layer Gradient Density Design: This 4.5 x 20 sediment filter replacement cartridge features advanced 3-layer depth filtration that traps larger particles in the outer layers and finer sediment deeper inside. The gradient density design increases dirt-holding capacity and extends filter life without compromising flow rate.
• Melt-Blown Manufacturing: Constructed from 100% Melt Blown Polypropylene for high chemical resistance and durability. This advanced technology helps filter out impurities and maintains the fresh, natural taste of water throughout your house.
• Exceptional Filter Life: Each 20 x 4.5 water filter cartridge provides 10,000–30,000 gallons of clean water depending on water quality. Replace the filter every 3-6 months to achieve optimal performance.
• High Compatibility: Our Sediment Water Filter Fits most 20” x 4.5” Big Blue-style filter housings. This replacement cartridge works with DGD-5005-20, FP25B, AP810-6, FPMB5-20, ‎ABC-2S20BB1M, RS18-20, 155358-43, WGB22B, WGB32B, 2PP20BB1M and SDC-45-2001 BB models.

Specifications