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HydroGuard Replacement Filters
HydroGuard® replacement filters—including sediment prefilters, carbon blocks, RO membranes, and post‑filters—are designed for hassle‑free quick-change installation, ensuring your system operates at peak performance. Regular replacement not only maximizes contaminant removal (like chlorine, heavy metals, sediment, and PFAS) but also prolongs the life of your entire filtration system, keeping your water crisp, clean, and reliable .
HydroGuard Replacement Filters
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$64.99
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$64.99
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$64.99
$64.99
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$64.99
(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
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$64.99
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$64.99
$64.99
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$64.99
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$64.99
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$78.00
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$78.00
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$78.00
$78.00
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$78.00
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$78.00
OEM Replacement Water Filter Cartridge Set for Hydro Guard HDG-45-SET 4-Stage Drop-In Reverse Osmosis System Keep your water filtration system oper...
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$78.00
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$78.00
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$78.00
$78.00
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$78.00
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$78.00
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Hydro Guard HDG-CB6-14 (CB6) Carbon Block Water Filter Replacement Cartridge NSF-certified
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$35.99
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$35.99
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$35.99
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$35.99
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
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$35.99
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$35.99
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$35.99
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$139.99
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$139.99
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$139.99
$139.99
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$139.99
Hydro Guard HDGT-45 Reverse Osmosis 1-Year Filter Replacement Set – 50 GPD The Hydro Guard HDGT-45 Reverse Osmosis 1-Year Filter Replacement Set is...
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$139.99
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$139.99
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$139.99
$139.99
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$139.99
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$139.99
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(6 Pack) Hydro Guard HDG-P117/6 Premium GAC Water Filter Cartridge - Interchangeable with AP117
(6 Pack) Hydro Guard HDG-P117/6 Premium GAC Water Filter Cartridge - Interchangeable with AP117
in stock
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$41.60
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$41.60
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$41.60
$41.60
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$41.60
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$41.60
(6 Pack) Hydro Guard HDG-P117/6 Premium GAC Water Filter Cartridge – AP117 Compatible Replacement The (6 Pack) Hydro Guard HDG-P117/6 Granular Acti...
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$41.60
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$41.60
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$41.60
$41.60
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$41.60
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$41.60
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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
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$35.84
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$35.84
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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
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$35.84
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$35.84
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$36.99
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$36.99
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$36.99
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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
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$36.99
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$36.99
$36.99
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$36.99
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$36.99
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(4 Pack) Hydro Guard HDG-P117 Aqua-Pure AP117 Cuno Compatible GAC Water Filters Premium Carbon
(4 Pack) Hydro Guard HDG-P117 Aqua-Pure AP117 Cuno Compatible GAC Water Filters Premium Carbon
in stock
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$32.00
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$32.00
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Hydro Guard HDG-P117 Aqua-Pure AP117 Compatible GAC Water Filters – 4-Pack Upgrade your water filtration system with the Hydro Guard HDG-P117 Carbo...
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$32.00
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$25.99
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Hydro Guard HDG-TFM36 – 36 GPD Reverse Osmosis Membrane Replacement for Culligan AC30 & AC15 The Hydro Guard HDG-TFM36 Reverse Osmosis Membrane...
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$25.99
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$25.99
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$7.95
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$7.95
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Hydro Guard HDG-CB-AC10 Carbon Block Water Filter – Compatible with Culligan AC30 & AC15 Systems The Hydro Guard HDG-CB-AC10 Carbon Block Water...
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$7.95
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$7.95
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$7.95
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(4 Pack) Hydronix HDG-SED-AC5/4 Culligan Compatible Sediment Water Filter For AC30 AC15 Systems
(4 Pack) Hydronix HDG-SED-AC5/4 Culligan Compatible Sediment Water Filter For AC30 AC15 Systems
in stock
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$17.40
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$17.40
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$17.40
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$17.40
Hydro Guard HDG-SED-AC5/4 Sediment Water Filter – Culligan Compatible (4-Pack) for AC30 & AC15 Systems Ensure cleaner, clearer water with the H...
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$17.40
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$17.40
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$17.40
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(2 Pack) Hydro Guard HDG-P117/2 Universal GAC Water Filter Cartridge Compatible with AP117
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$20.83
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$20.83
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Hydro Guard HDG-P117/2 Universal GAC Water Filter Cartridge – AP117 Compatible (2-Pack) Upgrade your water filtration system with the Hydro Guard H...
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$20.83
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$40.95
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Hydro Guard HDG-CB-AC10 Carbon Block Pre-Filter – 4-Pack for AC30 & AC15 Systems Ensure cleaner, fresher water with the Hydro Guard HDG-CB-AC10...
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$40.95
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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
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$77.35
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$77.35
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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
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$77.35
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$6.00
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$6.00
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Hydro Guard HDG-SED-AC5 5-Micron Sediment Filter – Compatible with Culligan AC15 & AC30 Systems The Hydro Guard HDG-SED-AC5 Sediment Filter Car...
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$6.00
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$6.00
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$12.08
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$12.08
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Hydro Guard HDG-P117 Universal GAC Water Filter Cartridge – Compatible with AP117 The Hydro Guard HDG-P117 Granular Activated Carbon (GAC) Water Fi...
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$12.08
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$20.84
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Hydro Guard HDG-CB-AC10 Carbon Block Pre-Filter – 2-Pack for AC30 & AC15 Systems Upgrade your water filtration system with the Hydro Guard HDG-...
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$20.84
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$15.99
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Hydro Guard HDGT-SED5 First Stage Twist-Style Sediment Pre-Filter – OEM Replacement Ensure optimal filtration performance with the Hydro Guard HDGT...
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$15.99
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$23.99
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$23.99
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Hydro Guard HDGT-CB5 Second Stage Twist-Style Carbon Block Pre-Filter – OEM Replacement Enhance your water quality and filtration efficiency with t...
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$23.99
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$23.99
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Replacement filters play a key role in keeping your water filtration system working at its best. Over time, filters collect sediment, chlorine, heavy metals, and other contaminants that affect water quality and system efficiency. Changing them on schedule helps maintain strong flow rates and consistent performance. Fresh filters also protect internal components, which can extend the overall life of your system. With the right fit, your water stays crisp, clean, and reliable every day.
About Our HydroGuard® Water Filter Replacement Products
Our collection includes HydroGuard sediment prefilters, carbon block cartridges, reverse osmosis membranes, and post filters designed for dependable operation. Each option is built for compatibility with popular under-counter and RO systems, making installation simple and hassle-free. Sediment filters reduce dirt and rust before they reach delicate membranes. Carbon blocks target chlorine, odors, and unwanted taste. RO membranes and post filters refine water further, helping reduce dissolved solids and other impurities.
Many of these products support quick-change designs that limit downtime and simplify routine maintenance. Auto Ship options are available so you never miss a replacement cycle. From single cartridges to multi-pack sets, you can select the configuration that matches your system and usage needs. Clear product details and compatibility information make it easier to find the right match.
Why Choose iFilters for Water Filter Replacements?
iFilters offers a wide range of trusted replacement solutions in one convenient place. Our selection covers genuine HydroGuard options along with compatible models for common systems. Competitive pricing, in-stock availability, and straightforward ordering help you maintain your system without delay. Helpful support resources are also available if you need guidance selecting the correct filter.
Shop HydroGuard® replacement filters online today!
