Whirlpool WHKF-GD25BB Compatible Filters, KleenWater Replacement Water Filter Cartridges, 5 Micron, 4 1/2 X 9 7/8 Inch, 12 Pack Twelve compatible replacement cartridges for Whirlpool WHKF-GD25BB and Cuno Aqua-Pure AP810 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