3M Aqua-Pure AP800 Series Whole House Replacement Water Filter Drop-in Cartridge AP811, Large Capacity, For use with AP801 Systems, 1 Count (Pack of 1)
The Aqua-Pure AP811 water filter is for use with many Aqua-Pure whole house filters that use 9 3/4-Inch x 4 1/2-Inch water filters.`.