Aqua-Pure AP810 AP801 Whirlpool WHKF-GD25BB Compatible Filter, Set of 4, KleenWater KW810EC Replacement Water Filter Cartridges 5 Micron Four compatible replacement filters compatible with 3M Cuno Aqua-Pure AP810 / AP801, Whirlpool WHKF-GD25BB 5 micron whole house water filter with dirt sediment and rust filtration Raised Groove polypropylene construction Plastic End Caps with gaskets ensure positive seal 20 gallon per minute flow rate ideal for point of entry installation