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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.
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Filters
The FW-4 Wrench can be use to loosen standard 2x12 membrane housings when changing membranes. This FW-4 wrench fits many Hydronix, Pentek, Culligan...
View full detailsArsenic & Chlorine Carbon Block Water Filter Cartridge, 5 micron 2.5 x 10
5.0 / 5.0
2 Reviews
The Hydronix CB-AR-2510 Arsenic filter has a particle retention Size of 5 microns, and are ideal for drinking water filtration applications. The Hy...
View full detailsKDF85-20B 20" Iron, Hydrogen Sulfide, Sulfur, and Scale Well Water Filter
5.0 / 5.0
2 Reviews
KDF85-20B 4.5" x 20" Coconut GAC + KDF85 Big Blue size cartridge. For Well Water or City Whole House filtration as well as Commercial use. This fil...
View full detailsInline Sediment Water Filter, Pre Filtration, 2" x 10", 1/4" Quick Connect Ports
5.0 / 5.0
2 Reviews
Hydronix ISF-10Q inline sediment filters have 1/4" QC connections and are suitable for Drinking water filtration applications. The internal polypro...
View full detailsDesigned to filter 99% of contaminants and provide 100 GPD of safe clean water, iFilters has introduced the best RO system in the market at a great...
View full detailsPG25160B 0 - 160 PSI Water Pressure Gauge 2.5" Stainless Steel 1/4" Port, Back Flange
5.0 / 5.0
2 Reviews
The PG25160B is UV resistant, high quality water pressure gauge designed with the OEM in mind. From the special synthetic fluid used to fill the ga...
View full detailsHydro Guard HDG-TFM36 – 36 GPD Reverse Osmosis Membrane Replacement for Culligan AC30 & AC15 The Hydro Guard HDG-TFM36 Reverse Osmosis Membrane...
View full detailsPolaris Scientific UVA-36B 36 GPM Commercial Ultraviolet Deactivator System
5.0 / 5.0
2 Reviews
Polaris Scientific UVA-36B – 36 GPM Light Commercial Ultraviolet (UV) Water Deactivator System The Polaris UVA-36B is a high-performance ultraviole...
View full detailsThe Hydronix UDF-20BP granular activated carbon (GAC) cartridges are the best choice for your higher flow, taste, odder and chlorine reduction need...
View full detailsNot compatible with the Black-Cap Style WS-P-REG-KITV2 Prefilter/Regeneration System.The PRO+AQUA PA-DC is a dual two stage filter in one. The firs...
View full detailsHydronix SDC-25-3050 Polypropylene Sediment Filter – 50 Micron, 2.5" x 30" The Hydronix SDC-25-3050 is a high-capacity, 50-micron polypropylene sed...
View full detailsHydronix AFM-624 Panel Mount Flow Meter – Adjustable 6 to 24 GPM Special Order Notice: This item has a 30-day lead time. The Hydronix AFM-624 is a ...
View full detailsPRO+AQUA PRO-RO-IV 4000 GPD Commercial Reverse Osmosis System, Hydroponics, Breweries, Coffee, Teas
5.0 / 5.0
2 Reviews
PRO+AQUA PRO-RO-IV 4000 GPD Commercial Reverse Osmosis System – Ultra-Pure RO Water for Hydroponics, Breweries & More The PRO+AQUA PRO-RO-IV 40...
View full detailsPRO+AQUA FC-PK-100E Whole House Heavy Metals Well Water Filter Replacement Set 3 Stage 20", 5 Micron
5.0 / 5.0
5 Reviews
PRO+AQUA FC-PK-100E Whole House Heavy Metals Well Water Filter Replacement Set – 3-Stage, 20", 5 Micron Upgrade your PRO+AQUA PRO-100-E Filtration ...
View full detailsPRO+AQUA PRO-100-E ELITE GEN2 Whole House 3 Stage Well Water Filter System, Gauges, 1” Ports
4.8 / 5.0
5 Reviews
PRO+AQUA PRO-100-E ELITE GEN2 Whole House 3-Stage Well Water Filter System – 1” Ports with Gauges Advanced Whole House Water Filtration for Unmatch...
View full detailsDesigned for ultimate performance, the PRO+RO 2000 GPD Commercial Reverse Osmosis Module is built for the demanding workload of commercial business...
View full detailsHydron HLE-4040 Commercial Reverse Osmosis Membrane elements produce 2800 gallons per day with 98.0% rejection. Designed for commercial use. The HL...
View full detailsConvert any standard water filtration unit into an Alkaline Drinking Water System with the PRO+AQUA FC-10-ALK Multi-Stage Alkaline Drinking Water F...
View full details3/8" Drain Saddle for use with Reverse Osmosis systems. Compatible with all standard RO systems using 3/8" tubing including US Water RO Systems, US...
View full detailsPRO+AQUA PRO-S-80E Whole House Water Softener High Demand Heavy Duty 80,000 Grain Capacity 1" Ports
4.0 / 5.0
4 Reviews
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...
View full detailsPRO+AQUA PRO-WELL-1E Whole House Well Water Filter System Iron, Sulfur, Manganese, 1 CuFt
4.92 / 5.0
12 Reviews
PRO+AQUA PRO-WELL-1E Whole House Well Water Filter System – Iron, Sulfur, Manganese, 1 CuFt The PRO+AQUA PRO-WELL-1E Whole House Well Water Filter ...
View full detailsHydronix ICF-CAL10Q Inline pH Balancing & Acid Neutralization Filter – 1/4" QC Ports The Hydronix ICF-CAL10Q is a high-performance inline filte...
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 detailsHydronix AFM-216 Panel Mount Flow Meter – 2 to 16 GPM Adjustable, 3/4" MNPT Ports The Hydronix AFM-216 is a high-precision panel mount flow meter d...
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