If you have a 3-canister FLUORIDE, HARDNESS PLUS unit from us, this is the bundle of the THREE replacement filters you need.
One removes fluoride, and has a sediment filter - the FR-1.
The second reduces hardness and also has a sediment filter - the HR-1.
The third cartridge is the standard replacement filter cartridge filters that has 2 sediment filters and also contains copper-zinc kdf 55 and granulated carbon filtering media. It filters a wide range of contaminants, including chemical and organic-based.
It is recommended that you swap filters once a year. The size of the filters is 3 1/16 across and 9 1/4 tall. If you got your canisters from us, this are the right replacements for a three-canister FLUORIDE, HARDNESS PLUS unit whether it is a Countertop or Undercounter unit.
The cartridges say 'up' to indicate the top side IN AN UNDERCOUNTER CANISTER. IN A COUNTERTOP UNIT, put the 'up' end into the base.
The color of the cartridges will vary from the photos shown here.
If you are wondering if you can use this in your system from another supplier, the answer is probably not. The cartridges must be identical in size and shape. Our normal warranty does not apply to replacement filters used in another supplier's housing.
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