Three Whirlpool WHEF-WHPCBB Compatible Carbon Water Filters Plus Oring Water Filter Housing O-Rings The cartridge 3-set should be

The cartridge 3-set should be changed annually to adequately protect the reverse osmosis module and keep the system in peak performance

The cartridge is equipped with green end caps and gaskets to ensure a perfect fit

75" carbon block water filter cartridge by KleenWater

The KWC-Series is for value conscious customers who are using existing permanent heads but would like a low cost alternative cartridge option with exceptional performance

The water filter cartridge is made of stratum gradient density polypropylene

Three Whirlpool WHEF-WHPCBB Compatible Carbon Water Filters Plus Oring Water Filter Housing O-Rings The cartridge 3-set should beThree WHEF WHPCBB Whirlpool Compatible Carbon Block Replacement Water Filter Cartridges Chlorine and Chemical Removal 4. 5 X 9. 75 Inch One O Ring for Whirlpool WHKF DWHBB Housing by KleenWater Three Whirlpool WHEF WHPCBB compatible carbon block water filter cartridges by KleenWater One o ring for WHKF DWHBB housing by KleenWater Universal 4. 5 x 9. 75 inch dimension for BB (Big Blue) Carbon block cartridge removes chlorine, taste, odor and chemicals