Reverse Osmosis Filter Sets

Showing 17 -  27 of 27 Products
Universal Filter Set for Standard 3-Stage Reverse Osmosis Systems
$18.90 / Set
$23.63 Save 20%!
1 Pack Selected
$18.90
Ships Free!
Universal Filter Set for Standard 4-Stage RO W/ 1/4" QC Inline Filter
$32.86 / Set
$41.08 Save 20%!
1 Pack Selected
$32.86
Ships Free!
Universal Pre and Post Filter Set for Reverse Osmosis Systems
$24.90 / Set
$31.13 Save 20%!
1 Pack Selected
$24.90
Ships Free!
Universal Filter Set for Standard 4-Stage RO Systems With 1/4" FNPT Inline Filter
$27.95 / Set
$34.94 Save 20%!
1 Pack Selected
$27.95
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Filter Set With Membrane for 4-Stage PuROTwist Reverse Osmosis Systems
$108.86 / Set
$136.08 Save 20%!
1 Pack Selected
$108.86
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Filter Set With Membrane for 3-Stage PuROTwist Reverse Osmosis Systems
$103.91 / Set
$129.89 Save 20%!
1 Pack Selected
$103.91
Ships Free!
Hydronix 5-Stage RO Yearly Filter Kit with 3/8" Inline Filter
$74.95 / Set
$93.69 Save 20%!
1 Pack Selected
$74.95
Ships Free!
Hydronix 5-Stage RO Yearly Filter Kit W/Membrane and 3/8" Inline Filter
$97.83 / Set
$122.29 Save 20%!
1 Pack Selected
$97.83
Ships Free!
Filter Set with Membrane for HydroGuard Drop-In RO Systems
$62.80 / Set
$78.50 Save 20%!
1 Pack Selected
$62.80
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Filter Set for HydroGuard Drop-In RO Systems
$25.80 / Set
$32.25 Save 20%!
1 Pack Selected
$25.80
Ships Free!
Universal Filter Set for Standard 4-Stage RO W/ 1/4" FNPT Inline Filter
$32.86 / Set
$41.08 Save 20%!
1 Pack Selected
$32.86
Ships Free!
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What Our Customers Have to Say

Joy W. 5 days ago
5
Two years ago my installer RECOMMENDED I purchase my RO filters myself online from you and boy, was he right! You people know filters and the set arrived quickly. I am now, two years later, on my second set of these. Thanks Discount Filters!
Jorge S. 50 days ago
5
I've used Discount Filters for replacement of our home water our purifying system, and we are very satisfied.
Jorge S. 50 days ago
5
I've used Discount Filters for replacement of our home water our purifying system, and we are very satisfied.
Wolfman 52 days ago
5
Delivery was quick and well packaged. Product was very easy to install. Thank you.