AP810-2, AP811-2, DGD-5005-20, DGD-5005 4.5 x 20 Inch Compatible Replacement Water Filter Cartridge by KleenWater/Two Genuine KleenWater Can Holders One Replacement Cartridge for: Aqua-Pure AP810-2, AP811-2, Pentek 20 inch "Big Blue" Pentek DGD-5005-20, DGD-5005. Perfect replacement for the AP802 housing Plastic End Caps with gaskets ensure positive seal. Universal 4.5 x 20 inch filter replacement. Constructed with NSF approve polypropylene material - 5 micron dirt sediment removal rating Two Genuine KleenWaterTM Can Holders