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RO Pre-Filters
Standard 2.5 × 10-inch replacement cartridges suitable for reverse osmosis pre-filtration. Confirm contaminant target, micron rating, and system compatibility before ordering.
Sale
$8.12
$7.31
The Hydronix UDF-10 granular activated carbon (GAC) cartridges are the best choice for your higher flow, taste, odder and chlorine reduction needs....
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$8.12
$7.31
Sale
$15.35
$13.82
The Hydronix UDF-10KDF.5 is a 2.5" x 10" KDF replacement with 0.5 lbs of KDF media. For use in many water filter systems, especially whole-house fi...
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$15.35
$13.82
Sale
$6.40
$5.76
The Hydronix UDF-10PF is a dual two stage filter in one. The first stage filters sediment, dirst, sand and other particles down to the 5 micron lev...
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$6.40
$5.76
Sale
$43.66
$39.30
The Hydronix UDF-10KDF2 is a 2.5" x 10" KDF replacement with 2 lbs of KDF media. For use in many water filter systems, especially whole house filte...
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$43.66
$39.30
Sale
$27.48
$24.74
The Hydronix UDF-10KDF1 is a 2.5" x 10" KDF replacement with 1 lbs of KDF media. For use in many water filter systems, especially whole house filte...
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$27.48
$24.74
Sale
$18.96
$17.07
The Hydronix UDF-10C100E Resin Water Softening cartridges are the best choice for your higher flow, water softening needs. Made with NSF certified ...
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$18.96
$17.07
