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Shop All Water Filters, Parts & Systems
Fresh, dependable water starts with the right setup, and iFilters makes it easy to find what fits your space. Water Filters, Parts & Systems in this collection cover everyday drinking needs, whole-home protection, and jobsite-ready solutions for commercial and industrial use. Browse by product type, filter size, or compatibility so replacements and upgrades stay simple. Options span sediment, carbon, reverse osmosis, and UV, giving you a clear path from problem to solution. Fast shipping and helpful support keep your project moving.
About iFilters Water Filtration Products
iFilters brings a one-stop catalog together, from complete whole-house filtration systems to specialized drinking water systems for sinks and dispensers. Commercial systems help support higher flow demands, while replacement filters keep performance consistent between service intervals. Parts like housings, fittings, adapters, and power supplies help you maintain, repair, or expand an existing setup without guesswork. Ultraviolet systems add an extra layer for applications that benefit from UV treatment. Tools and specialty systems round out the collection for unique installs, seasonal needs, and niche use cases.
Why Choose iFilters for Water Filtration Gear?
Confidence comes from selection, and this store is built around breadth and compatibility across many brands and applications. Auto Ship subscriptions make routine replacements easier, while discounts help reduce long-term ownership costs. Expert support is available when you need help choosing the right part, matching a cartridge, or planning a system refresh. Free shipping starts at qualifying order thresholds, and a satisfaction guarantee adds peace of mind at checkout.
Shop water filtration systems and parts online today!
Filters
Hydronix SDC-25-1005 polypropylene sediment filters have a particle retention Size of 5 microns and are used in residential and commercial water fi...
View full detailsThe PT04-NA-0500 Natural Polyethylene tubing is manufactured from top quality, low density materials. The PT04-NA-0500 is ideal for a variety of us...
View full detailsPolaris Scientific UV Ultraviolet Replacement Lamp, Germicidal Lamp, 10W 4 Pin
3.0 / 5.0
1 Review
Polaris Scientific GL10PP Replacement Germicidal Lamp for the UVA-1C Ultraviolet UV System.
Convert any 3/4" female NPT port to Garden Hose Male and Female Thread. This set is used to convert any Whole House Water Filtration System with st...
View full detailsHydro Guard HDG-012 Filter Wrench for HDGT-45 Twist Off and HDG-45 drop In RO Systems
5.0 / 5.0
1 Review
Hydro Guard Filter Wrench – OEM Replacement for HDGT-45 & HDG-45 Systems Make filter replacements effortless with the Hydro Guard Filter Wrench...
View full details5 Stage Premium Reverse Osmosis Complete System 50 GPD, Chrome Faucet, 4 Gal Tank
5.0 / 5.0
1 Review
Designed to filter 99% of contaminants and provide 50 GPD of safe clean water, iFilters has introduced the best RO system in the market at a great ...
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TW-1812-50 50 GPD Reverse Osmosis DI RO Membrane Replacement Filter, Fits Standard Systems
Hydron TW-1812-50 – 50 GPD Reverse Osmosis Membrane for DI & RO Systems The Hydronix TW-1812-50 is a high-performance 50 GPD Reverse Osmosis me...
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...
View full detailsFully featured advanced digital filtration valve. This version offers a high back-flush flow rate ideal for heavy media for maximum lift and flow. ...
View full detailsHydronix SDC-45-2001 polypropylene sediment filters have a particle retention Size of 1 Micron and is used in a residential and commercial water fi...
View full detailsThe Hydronix LF-BLR-BN long reach faucet is a brushed nickel faucet that can be used in reverse Osmosis and Drinking water systems. The LF-BLR-BN f...
View full detailsAquatrol AQT-56SE-FT Digital Water Filter Valve – 1" Ports, Fully Automatic The Aquatrol AQT-56SE-FT Digital Filtration Valve is an advanced, fully...
View full detailsAquatrol BT-1633-KIT Water Softener Salt brine Tank With Safety Float, Black 16x33
5.0 / 5.0
4 Reviews
Aquatrol BT-1633-KIT Water Softener Brine Tank with Safety Float – 16" x 33", Black The Aquatrol BT-1633-KIT Universal Brine Tank is a high-quality...
View full detailsPressure Regulator Protection Valve for RO & Filter Systems, 1/4" QC, 40 PSI
5.0 / 5.0
2 Reviews
Shokblok Filter protection valves are designed for high pressure installations to protect reverse Osmosis systems, water filtration systems, ice ma...
View full detailsPolaris UVA-12C Whole House UV Ultraviolet Deactivator System – 12 GPM Chemical-Free Water Purification for Your Entire Home The Polaris UVA-12C Wh...
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Reverse Osmosis Replacement Filter Set RO Cartridges 5 pcs, 100 GPD Membrane, QC
Reverse Osmosis Replacement Filter Set RO Cartridges 5 pcs, 100 GPD Membrane, QC
5.0 / 5.0
1 Review
5 Stage NSF Reverse Osmosis RO Replacement Water Filter Set with 100 GPD Membrane. For any standard RO system. Sediment, UDF, CTO, Membrane & G...
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Reverse Osmosis Replacement Pre Filters Quality Sediment & Carbon, 3 Pack 2.5x10
This High Quality 3 set SmartPack RO Reverse Osmosis Replacement filter cartridges (Pre-filters) are NSF Certified, measuring 2.5" x 10". These fil...
View full detailsAquatrol AT-1035BL-25T - 10 x 35 Mineral Pressure Tank for Water Softeners or Filtration, 2.5" Port
5.0 / 5.0
3 Reviews
Aquatrol AT-1035BL-25T – 10" x 35" Mineral Pressure Tank for Water Softeners & Filtration (2.5" Port) The Aquatrol AT-1035BL-25T Mineral Pressu...
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2 Pack Whole House RO Drinking Systems Coconut Carbon Water Filter 5 μm 2.5 x 10
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 ...
View full detailsPRO+AQUA WS-P-16-BNDL - Portable RV Water Softener 16,000 Grains and Filtration System Bundle
5.0 / 5.0
1 Review
PRO+AQUA WS-P-16-BNDL – Portable RV Water Softener & Filtration System Bundle – 16,000 Grains Premium Portable Water Softener & Filtration ...
View full detailsReplacement O-Ring for the Hydronix HF5 filter housings. Made from durable Buna-N material. This replacement O-Ring is made to be used with the Opa...
View full detailsWell Water 20" Filtration Sediment System Pleated Washable Filter, 1" Ports
5.0 / 5.0
3 Reviews
The iFilters MWHSD20-WELL 20" Clear Heavy Duty Whole House Well Water Filter System comes complete with a high quality reusable/washable chemical r...
View full detailsThe 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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Water Softener Resin High Quality Replacement Cation 100% Ion Exchange 0.25 CuFt
Water Softener Resin High Quality Replacement Cation 100% Ion Exchange 0.25 CuFt
5.0 / 5.0
2 Reviews
0.25 Cubic Foot, perfect for portable water softeners needing resin media replacement. 100% compatible replacement for any water softener system us...
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