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Water Filter & Media Replacements
Clean water depends on timely filter changes. Water Filter & Media Replacements product options make it simple to stay on schedule without the stress of manual reordering. Automatic delivery keeps your system performing as designed while helping reduce buildup from sediment, chlorine, and other common contaminants. Every shipment arrives when you need it, so there is no interruption to your water supply. Pure water becomes part of your routine with zero hassle.
About Water Filter & Media Replacement Products
Our collection includes sediment cartridges, carbon block filters, reverse osmosis sets, and specialty media for whole-house and drinking water systems. Popular options fit standard sizes such as 2.5 by 10-inch and 4.5 by 20-inch housings. Replacement sets are available for multi-stage systems, including combinations that target rust, heavy metals, and chemical impurities. Genuine OEM and compatible alternatives allow flexibility without sacrificing performance. Each product listing includes compatibility details to simplify selection.
Subscription management is straightforward and flexible. Customers can adjust delivery frequency, update products, or pause shipments at any time. AutoShip offers savings on every order and an added discount on the first subscription purchase. This approach removes guesswork and supports steady filtration results.
Why Choose iFilters for Replacement Filter Products?
iFilters focuses on broad compatibility, dependable construction, and convenient service. In stock inventory supports fast fulfillment, and many products feature verified customer reviews. Subscription savings reward long-term maintenance habits while helping control costs. Clear product descriptions reduce confusion during ordering. Dedicated support is available to assist with selection questions.
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Filters
Hydro Guard HDG-U3UF-SET HDG-U300-UF Replacement Filter Set | OEM Replacement for HDG-U3000-UF
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...
View full detailsHydro Guard HDGT-45 Reverse Osmosis 1-Year Filter Replacement Set, 50 GPD
5.0 / 5.0
4 Reviews
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...
View full detailsHydro Guard HDGT-CB5 Second Stage Twist-Style Carbon Block Pre-Filter – OEM Replacement Enhance your water quality and filtration efficiency with t...
View full detailsHydro Guard HDGT-SED5 First Stage Twist-Style Sediment Pre-Filter – OEM Replacement Ensure optimal filtration performance with the Hydro Guard HDGT...
View full detailsHydro Scientific SPX-45-20100 Polyester Pleated Cartridges - SPX Series 4.5" x 20" - 100 micron
100 Micron Pleated Polyester Filter Cartridge – SPX-45-20100 – 4.5" x 20" – Hydro Scientific SPX Series Product image shown is a representation onl...
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Hydrogen Sulfide, Iron, Heavy Metals, Scale Control Water Filter, .5 lb KDF85 2.5x10
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...
View full detailsHydron - TW-2012-100 - Reverse Osmosis Membrane 100 GPD Reverse Osmosis DI RO Membrane Replacement Filter, Fits Standard Systems
5.0 / 5.0
2 Reviews
The Hydron TW-2012-100 Reverse Osmosis membrane produces 100 gallons per day and is designed for home drinking water, DI systems, office and certai...
View full detailsHydron BW-4040 Reverse Osmosis Membrane – High-Performance Commercial RO, 2400 GPD The Hydron BW-4040 Reverse Osmosis Membrane is a high-efficiency...
View full detailsHydron HLP-4021 1000 GPD Reverse Osmosis Membrane Light Commercial, 4" x 21"
5.0 / 5.0
7 Reviews
Hydron HLP-4021 – 1000 GPD Light Commercial Reverse Osmosis Membrane High-Performance 4" x 21" RO Membrane for Light Commercial Applications The Hy...
View full detailsUpgrade your water purification system with the HYDRON MEMBRANE 300GPD, a high-performance reverse osmosis (RO) membrane designed for efficient fil...
View full detailsHydron TW-1812-100D – 100 GPD Reverse Osmosis (RO) DI Membrane Replacement Filter The Hydron TW-1812-100D is a 100-gallon-per-day (GPD) Reverse Osm...
View full detailsHydron TW-1812-75 TFC DI Reverse Osmosis Membrane 75 GPD, Fits Standard RO Unit
5.0 / 5.0
2 Reviews
The Hydron TW-1812-75 Reverse Osmosis membrane produces 75 gallon per day and is designed for home drinking water, DI systems, office and certain L...
View full detailsHydronix UDF-10BP-ALK Alkaline pH Water Filter Cartridge – 4.5" x 10" The Hydronix UDF-10BP-ALK Alkaline pH Water Filter Cartridge is designed to e...
View full detailsReverse Osmosis (RO) Replacement water filters for AC-30 (AC30) and AC-15 (AC15) Reverse Osmosis (RO) Systems. Includes Sediment, Carbon Block and ...
View full detailsThis 1 Micron 2.5" x 30" Hydronix SBC Series Sediment Bonded Depth Cartridge with Silicone Oring & 222/Fin is a specially designed thermally bo...
View full details2 Pack Hydronix CB-45-1005 Coconut Shell Carbon Block water filter cartridge measures 4.5" x 10" standard. This filters offers a 5 micron nominal f...
View full detailsHydronix 2.5 x 10 Inch CIC Plus Carbon Block Water Filter – 5 Micron for Sediment & Chlorine Reduction – CIC-10PLUS Replacement Filter Premium ...
View full detailsHydronix 20" 2-Stage Filter Replacement Kit - Includes 5 micron Carbon Block & Sediment Filters
Replacement filter set for 2 stage 20" filter system. Includes the carbon block filter and sediment filter. Filters need be replaced at least once ...
View full detailsHydronix 4 Pack CB-45-1005 Whole House, Hydroponics Carbon Block Water Filters CTO 4.5" x 10" - 5 micron
5.0 / 5.0
1 Review
4 Pack Hydronix CB-45-1005 Coconut Shell Carbon Block water filter cartridge measures 4.5" x 10" standard. This filters offers a 5 micron nominal f...
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Hydronix CB-25-0505 NSF Coconut Activated Carbon Block Water Filter 5 μm 2.5 x 5
Hydronix CB-25-0505 NSF Coconut Activated Carbon Block Water Filter 5 μm 2.5 x 5
5.0 / 5.0
2 Reviews
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...
View full detailsHydronix 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 Coconut Carbon Block Water Filter – 5 Micron, 2.5" x 10" Premium Carbon Block Filtration for Cleaner, Better-Tas...
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Hydronix CB-45-1005 Whole House Carbon Block Water Filter CTO 4.5" x 10" - 5 Micron
8 Pack Hydronix CB-45-1005 Coconut Shell Carbon Block water filter cartridge measures 4.5" x 10" standard. This filters offers a 5 micron nominal f...
View full detailsHydronix CB-45-2005 Whole House, Hydroponics, Commercial Carbon Block Water Filter 4.5" x 20" - 5 μm
5.0 / 5.0
1 Review
Hydronix CB-45-2005 Whole House, Hydroponics, Commercial Carbon Block Water Filter – 4.5" x 20", 5 Micron Superior Water Filtration for Residential...
View full detailsHydronix Coconut Carbon Block Water Filter 4.5" x 20" - 0.5 Micron - SMCB-4520
5.0 / 5.0
2 Reviews
Hydronix SMCB-4520 carbon block filters are NSF/ANSI standard 42 certified for Material and structural Safety. SMCB-4520 filters have a particle re...
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