Aqua-Pure AP810 Compatible Filters, KleenWater KW810EC Replacement Water Filter Cartridges, Dirt Rust Sediment Whole House Filtration, Set of 12 Set of 12 compatible replacement filters for 3M Cuno Aqua-Pure AP810 / AP801, Whirlpool WHKF-GD25BB and Filtrete 4WH-HDGR-F01 5 micron whole house water filter with dirt sediment and rust filtration Raised groove polypropylene construction. 4.5 inch x 9.875 inch. Plastic end caps with gaskets ensure positive seal 20 gallon per minute flow rate ideal for point of entry installation