50 pk 10"x2.5" 5 Micron Grooved Sediment Melt Blown Filters Cartridges (Compatible Replace Aqua-Pure AP110, Whirlpool WHCF-GD05, Watts FPMBG-5-975) Ametek, Brio, Culligan, Cuno, Cuno Aqua-Pure, Flowmatic, GE, Glacier Bay hdg2vs4, KemFlo, Kenmore, Omni, 3M Purification, Pentek, Pentek Heavy Duty 10" Filter Housings, , Pentek 3G Heavy Duty 10" Filter Housings, Pentek 3G Heavy Duty 10" Filter Housings, Sears, US Filter, Watts/Flowmatic Standard 10" Filter Housings, Whirlpool: WHKF-GD05, WHKF-DWHV, WHKF-DWH, WHKF-DUF, and many more Meets FDA requirements for food and beverage contact. Greater dirt holding ability and longer life than non-layered cartridges. 5 Micron Rating, NSF Certified. Quality Water Begins With High Quality Sediment Filtartion, Gold Metal Winner, (See description below for some of the compatable filter housings of this product) Superior Quality