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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
$64.99
$58.50
(2 Pack) Genuine Hydro Guard HDG-CB6-14 Carbon Block Water Filter – Compatible with MP Systems Only looking for 1 filter? Order here: HDG-CB6-14 Th...
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$64.99
$58.50
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iFilters CBSM-2510 Coconut Shell CTO, Carbon Block Drinking Water Filter, 2.5 x 10, 0.5 Micron
iFilters CBSM-2510 Coconut Shell CTO, Carbon Block Drinking Water Filter, 2.5 x 10, 0.5 Micron
in stock
Sale
$19.99
$18.00
iFilters CBSM-2510 Coconut Shell CTO Carbon Block Drinking Water Filter – 2.5" x 10", 0.5 Micron High-Performance Filtration for Clean, Great-Tasti...
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$19.99
$18.00
Sale
$75.99
$68.40
Upgrade your drinking water with the Smart Pack QC2-CB8 2-Pack Carbon Block Water Filters, a premium replacement for Amway E-84, E-85, A101, and E-...
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$75.99
$68.40
Sale
$57.00
$51.30
Deliver fresh, better-tasting water to your home with the Smart Pack QC-CB6 2-Pack Carbon Block Replacement Filters, made for Multipure Aquaversa a...
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$57.00
$51.30
Sale
$37.99
$31.50
Keep your drinking water clean, clear, and tasty with the Smart Pack QC-CB6 Carbon Block Water Filter Replacement, designed for Multipure Aquaversa...
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$37.99
$31.50
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Sale
$59.95
$53.96
iFilters RP-3500 is a 100% compatible alternative replacement to the WF0451 filter used in the RP 3500 water filtration systems. Made from certifie...
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$59.95
$53.96
Sale
$29.99
$27.00
The Smart Pack Dual-Stage Under Sink Replacement Set includes two purpose-built filters designed to keep your water crisp, clean, and great-tasting...
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$29.99
$27.00
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$23.00
$20.70
Hydronix SMCB-2510 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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$23.00
$20.70
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Hydro Guard HDG-CB6-14 (CB6) Carbon Block Water Filter Replacement Cartridge NSF-certified
Sale
$35.99
$32.40
Hydro Guard HDG-CB6-14 Carbon Block Water Filter – CB6 Compatible Replacement Cartridge (NSF) The Hydro Guard HDG-CB6-14 Carbon Block Water Filter ...
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$35.99
$32.40
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Hydronix CB-25-1005 Whole House RO Drinking Water Coconut Carbon Block Water Filter 5 m 2.5" x 10"
Hydronix CB-25-1005 Whole House RO Drinking Water Coconut Carbon Block Water Filter 5 m 2.5" x 10"
in stock
Sale
$10.99
$9.90
Hydronix CB-25-1005 Whole House RO Coconut Carbon Block Water Filter – 5 Micron, 2.5" x 10" Premium Carbon Block Filtration for Cleaner, Better-Tas...
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$10.99
$9.90
Sale
$99.99
$90.00
Enjoy cleaner, better-tasting water with the Smart Pack Royal Prestige Carbon Block Replacement Filter 2-Pack. Designed for FrescaPure 4000, 4500, ...
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$99.99
$90.00
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$38.99
$35.10
The IFD-U3PK combines Sediment filtration with GAC and KDF to filter and reduce heavy metals as well as chlorine, taste, and odor found in city and...
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$38.99
$35.10
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$109.99
$99.00
2 Pack iFilters RP-3500 is a 100% compatible alternative replacement to the WF0451 filter used in the RP 5300 water filtration systems. Made from c...
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$109.99
$99.00
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Ship
Hydro Guard HDG-CB-8-38 (CB8), Amway E84, A101, E-9225 Compatible Carbon Block Water Filter
Hydro Guard HDG-CB-8-38 (CB8), Amway E84, A101, E-9225 Compatible Carbon Block Water Filter
in stock
Sale
$35.84
$32.26
Hydro Guard HDG-CB8-38 Carbon Block Water Filter – Compatible with CB8, Amway E84, A101, & E-9225 The Hydro Guard HDG-CB8-38 Carbon Block Water...
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$35.84
$32.26
Sale
$14.00
$12.60
Hydronix SMCB-2510 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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$14.00
$12.60
Sale
$34.99
$31.50
4 Pack - Hydronix Carbon Block Filters are manufactured with high purity coconut shell carbon. These Coconut Carbon Block filters provide an excell...
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$34.99
$31.50
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$43.07
$38.77
Enjoy fresher, cleaner water every day with the Smart Pack CB8 Carbon Block Water Filter, a reliable replacement for Amway E‑84, E‑85, A101, E‑9225...
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$43.07
$38.77
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$28.99
$26.10
KDF85-10 2.5" x 10" Coconut GAC + KDF85 standard size filter cartridge. For Well Water or City Whole House filtration as well as Commercial use. T...
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$28.99
$26.10
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$17.27
$15.55
Hydronix CB-25-1005 Carbon Block filters are NSF/ANSI Standard 42 certified for material and structural safety. CB-25-1005 filters have a particle ...
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$17.27
$15.55
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$36.99
$33.30
Hydro Guard HDG-CB6-38 Carbon Block Water Filter – 0.5 Micron, 3/8" NPT Port The Hydro Guard HDG-CB6-38 Carbon Block Water Filter delivers premium ...
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$36.99
$33.30
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$44.18
$39.77
The IFD-U3PK-UV is the correct OEM replacement set for the iFilters U300UV Under-sink Drinking Water Filtration Systems. The IFD-U3PK-UV combines S...
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$44.18
$39.77
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$18.49
$16.65
The 5 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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$18.49
$16.65
Sale
$18.51
$16.66
Hydronix CB-25-2005 carbon block filters are NSF/ANSI standard 42 certified for Material and structural Safety. CB-25-2005 filters have a particle ...
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$18.51
$16.66
Sale
$54.99
$49.50
The IFD-U2PK-UV is the correct OEM replacement set for the iFilters U200UV Under-sink Drinking Water Filtration Systems. The IFD-U2PK-UV combines d...
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$54.99
$49.50
