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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!
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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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The iFilters LWH-D Gen2 Dual Stage Whole House Water Filter System (Light Whole House Series) has been updated with better filters and added flow f...
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5 Stage NSF Reverse Osmosis RO Replacement Water Filter Set with 50 GPD Membrane. For any standard 5 Stage RO system. Sediment, GAC, CTO Carbon Blo...
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NSF Certified 4.5 Gallon (3.2 Draw-down) Reverse Osmosis Water Storage Tank. Lead, brass and copper are banned for use in purified/drinking water. ...
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Hydronix PFM-055 Flowmeter has easy to read scales silk-screened onto the acrylic bodies that are extremely accurate. Solid One piece Injection Mol...
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Polaris UVA-1C Whole House UV Ultraviolet Water De-Activating System 1 GPM with 9000 Hour Bulb.
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Hydronix SDC-25-2005 polypropylene sediment filters have a particle retention Size of 5 micron and is used in a residential and commercial water fi...
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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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The iFilters U200 is designed in California from NSF-approved components and offers superior filtration at a lower cost compared to the leading com...
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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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KDF2-4520 4.5" x 20" Coconut GAC + 2LBS KDF size cartridge. For City or Well Water Whole House or Commercial use. This filter is made from coconut ...
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iFilters has combined top quality components to create the best RO DI booster pump in the market. The BP100KIT includes all the components needed t...
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The Hydronix UDF-10 granular activated carbon (GAC) cartridges are the best choice for your higher flow, taste, odder and chlorine reduction needs....
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Pro+Aqua Control Valve Head Quick Connect Drain Elbow 1/2" for Softener and Filtration System
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Polaris Scientific UV-SEAL – Replacement Quartz Sleeve O-Ring Seal for All Polaris UV Units The Polaris UV-SEAL is an OEM replacement O-ring seal d...
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Hydronix SDP-4520 Sediment Dual Purpose Radial Flow Carbon Filter is compatible with RFC-20BB filters. It provides a unique design combining all th...
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Polaris Scientific GLHO48PP – High Output Ultraviolet Replacement Lamp for UVA-418HO The Polaris Scientific GLHO48PP is a high-output germicidal UV...
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Pro+Aqua Electronic Turbine Flow Meter Complete Kit Fits Fleck 2510, 5600, SE/SXT Water Softener/Filter Control Valves
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The Hydronix SWC-45-1005 polypropylene String wound filters have a particle retention Size of 5 micron and are used in a residential and commercial...
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Hydronix Hight Temp Hot Water Filter Housing For Home, Commercial, Industrial, 20", 1" Ports
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Hydronix High-Temperature Hot Water Filter Housing – 20", 1" Ports Designed for high-temperature applications, the Hydronix HF45HT Series is a heav...
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Polaris Scientific BEB-1024 ballast for the UVA-1C, UVA-2C and UVA-4C Ultraviolet UV Systems.
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PRO+AQUA PRO-S-80E Whole House Water Softener High Demand Heavy Duty 80,000 Grain Capacity 1" Ports
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PRO+AQUA PRO-S-80E Whole House Water Softener – 80,000 Grain Capacity for High-Demand Homes The Ultimate Solution for Whole House Hard Water Soften...
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Hydronix SPC series 4.5" x 10" 5 micron polyester pleated cartridges are manufactured from durable polyester to provide you with a superior pleated...
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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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