Water filters are replacement cartridges that is placed inside water canisters.
You get lots of different types and sizes of water filters the most common ones used is the 10-inch filters for your kitchen water purifiers and your 20-inch filters used in your whole house water purifiers.
Water filters are used to filter out a whole array of contaminants from your water
Full water filter set for 20 inch 3 stage whole house ...
Reverse Osmosis Basic Filter Set
Polypropylene 20 Inch Slim
Polypropylene 20 Inch Fat
Polypropylene 10 Inch Filter
Pleated (Washable) 20 Inch Slim
Pleated (Washable) 20 Inch Fat
Mineral Inline Filter
Membrane 8040 LP Vontron 4000 Gallons Per Day
Membrane 75 Gallons Per Day
Membrane 50 Gallons Per Day
Membrane 4040 ULP Vontron 2000 Gallons Per Day
Membrane 3013 400 Gallons Per Day
Membrane 3012 400 Gallons Per Day