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Drinking Water Filters
Fresh, great-tasting water starts at the point you drink it, and drinking water filters are the easy way to keep everyday hydration clean and consistent. This category focuses on replacement cartridges made for countertop and under-sink drinking water systems in apartments and family kitchens, so you can maintain performance without replacing your entire setup. Many options use carbon block media that help reduce chlorine taste and odor while supporting clearer water for coffee, tea, and cooking. Households swap filters every three to six months. Standard sizes fit common housings, which makes swapping filters simple during routine maintenance.
About Our Replacement Filters for Drinking Water Systems
Replacement filters in this collection are built to match popular drinking water systems and multi-stage sets. Carbon block styles are a go-to for improving flavor, while sediment stages help capture fine particles that can cloud water or slow flow. Several packs are available for convenience, including multi-pack refills and bundled sets for two-stage or three-stage configurations. Auto Ship options help keep replacements arriving on time, which supports a steady flow and dependable filtration. Compatibility details and product ratings make it easier to select the right cartridge for your specific model and water goals.
Why Choose iFilters for Drinking Water System Replacement Filters?
iFilters brings a wide selection of in-stock replacements, including trusted brands and compatible alternatives, so finding the correct fit takes less time. Clear product pages highlight sizing, brand, and part numbers, which helps avoid guesswork during reorders. Fast shipping and Auto Ship choices support consistent maintenance, especially for homes that rely on under-sink or countertop filtration every day. Reviews from verified buyers add extra confidence when comparing similar cartridges. Support is available when you need help matching a filter to your system.
Shop drinking water filters online today!
Sale
$7.72
$6.95
The Hydronix SDC-25-1001 polypropylene sediment filter is a 1 Micron rated filter. It's a universal standard size fits any standard Reverse Osmosis...
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$7.72
$6.95
Sale
$7.99
$7.20
Hydronix SDC-25-0505 NSF Certified Sediment Filter – 2.5" x 4 7/8", 5 Micron The Hydronix SDC-25-0505 Sediment Filter is an economical and high-per...
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$7.99
$7.20
Sale
$18.99
$17.10
The 1 Micron Smart Packs 2.5"x10" NSF Certified Sediment Premium Filters are a smart economical solution to pre-filtration for many applications. T...
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$18.99
$17.10
Sale
$55.00
$49.50
Enjoy cleaner, better-tasting water with the Smart Pack Royal Prestige Carbon Block Replacement Filter. Designed for FrescaPure 4000, 4500, 5000, 6...
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$55.00
$49.50
Sale
$40.99
$36.90
Convert any standard water filtration unit into an Alkaline Drinking Water System with the PRO+AQUA FC-10-ALK Multi-Stage Alkaline Drinking Water F...
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$40.99
$36.90
Sale
$23.74
$21.37
Hydronix SMCB-2520 carbon block filters are NSF/ANSI standard 42 certified for Material and structural Safety. SMCB-2520 filters have a particle re...
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$23.74
$21.37
Sale
$70.00
$63.00
This 20 pack of Hydronix SDC-25-1005 polypropylene sediment filter is a 5 micron rated filter. Its universal standard size fits any standard Revers...
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$70.00
$63.00
Sale
$29.74
$26.77
The Hydronix CB-25-1001 NSF Certified Carbon Block water filter is manufactured with high purity coconut shell carbon and is available in a wide ra...
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$29.74
$26.77
Sale
$27.99
$25.20
The Hydronix CB-AR-2510 Arsenic filter has a particle retention Size of 5 microns, and are ideal for drinking water filtration applications. The Hy...
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$27.99
$25.20
Sale
$6.90
$6.21
The Hydronix CB-25-0505 NSF Certified Carbon Block water filter is manufactured with high purity coconut shell carbon and is available in a wide ra...
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$6.90
$6.21
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
$10.99
$9.90
The Hydronix CB-25-1001 NSF Certified Carbon Block water filter is manufactured with high purity coconut shell carbon and is available in a wide ra...
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$10.99
$9.90
Sale
$27.99
$25.20
The iFilters KDF05-10 is a 2.5" x 10" KDF replacement filter with 0.5 lbs of KDF media. For use in many water filter systems, especially point of u...
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$27.99
$25.20
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
$8.99
$8.10
Hydronix SDC-25-0505 polypropylene sediment filters have a particle retention Size of 5 microns and are used in residential and commercial water fi...
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$8.99
$8.10
Sale
$50.00
$45.00
The Hydronix SDC-25-1001 polypropylene sediment filter is a 1 Micron rated filter. Its universal standard size fits any standard Reverse Osmosis, W...
View full detailsSale
$50.00
$45.00
Sale
$21.99
$19.80
(3 Pack) The Hydronix SDC-25-1001 is a 1-micron polypropylene sediment filter designed for universal compatibility with standard Reverse Osmosis, W...
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$21.99
$19.80
Sale
$7.99
$7.20
The Hydronix SDC-25-0501 polypropylene sediment filter has a particle retention size of 1 Micron and is used in a small water filtration systems. T...
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$7.99
$7.20
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Hydro Guard HDG-U3UF-SET HDG-U300-UF Replacement Filter Set | OEM Replacement for HDG-U3000-UF
Hydro Guard HDG-U3UF-SET HDG-U300-UF Replacement Filter Set | OEM Replacement for HDG-U3000-UF
in stock
Sale
$77.35
$69.62
Hydro Guard HDG-U300-UF Replacement Filter Set – OEM Replacement for HDG-U3000-UF The Hydro Guard HDG-U300-UF Replacement Filter Set is the OEM rep...
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$77.35
$69.62
Sale
$90.80
$81.72
The Hydronix SDC-25-1001 polypropylene sediment filter is a 1 Micron rated filter. Its universal standard size fits any standard Reverse Osmosis, W...
View full detailsSale
$90.80
$81.72
Sale
$23.00
$20.70
Hydronix CB-25-2001 carbon block filters are NSF/ANSI standard 42 certified for Material and structural Safety. CB-25-2001 filters have a particle ...
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$23.00
$20.70
Sale
$59.95
$53.96
The best alternative replacement for C7000 and C6500 Filtration Systems. Manufactured from organic Premium Coconut Shell Activated Carbon, the WC-C...
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$59.95
$53.96
Sale
$115.95
$104.36
2 Pack WC-CR70. The best alternative replacement for C7000 and C6500 Filtration Systems. Manufactured from organic Premium Coconut Shell Activated ...
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$115.95
$104.36
