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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!

Original price $58.20 - Original price $58.20
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Polaris Scientific QS58HO – Replacement Quartz Sleeve for UVA-630HO High Output UV System The Polaris Scientific QS58HO is an OEM replacement quart...

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Original price $58.20 - Original price $58.20
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Hydronix Bag Filter #4, boasting a 5-micron rating, ensures precise particle removal tailored to your specific filtration needs. Whether it's indus...

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Original price $98.10 - Original price $98.10
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Aquatrol AT-1054BL-25T – 10" x 54" Mineral Pressure Tank for Water Softeners & Filtration (2.5" Port, Blue) The Aquatrol AT-1054BL-25T Mineral ...

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Original price $98.10 - Original price $98.10
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Original price $40.00 - Original price $40.00
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Hydronix LF-EC18-BN - Elegant Modern Ceramic RO Filtered Water Faucet (Brushed Nickel) Premium Brushed Nickel Faucet for Reverse Osmosis & Drin...

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Original price $39.99 - Original price $39.99
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Hydronix SPC-25-4010 Commercial Pleated Sediment Water Filter – 10 Micron, Washable & Reusable, 2.5" x 40" The Hydronix SPC-25-4010 is a high-c...

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Original price $39.99 - Original price $39.99
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Hydronix SPC-25-4050 Commercial Pleated Sediment Water Filter – 50 Micron, Washable & Reusable, 2.5" x 40" The Hydronix SPC-25-4050 is a high-c...

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Original price $115.95 - Original price $115.95
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2 Pack WC-CR70. The best alternative replacement for C7000 and C6500 Filtration Systems. Manufactured from organic Premium Coconut Shell Activated ...

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Hydro Guard HDG-005 Replacement O-Ring – Perfect Fit for HDG-45 Drop-In Style RO Housing Ensure a leak-free seal and maintain the efficiency of you...

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Original price $6.98 - Original price $6.98
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Pro+Aqua 3/4" Brass Garden Hose Dual Swivel Female Connector for Male Hose to Male Hose

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Pro+Aqua 3/4" Garden Hose Shut Off Valve, Heavy Duty Ball Valve Water Hose Fitting, Easy On/Off Ergonomic Design

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Original price $189.77 - Original price $189.77
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Hydronix AR Series Absolute Rated Pleated Filters are Beta 5000 Absolute rated filters. Made from 100% pure Polypropylene Hydronix AR Series Absolu...

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iFilters PT04-WH-5 – 5 ft. White 1/4" Polyethylene Tubing – Flexible, Durable & Chemical-Resistant 5ft NSF 1/4" POLYETHYLENE TUBE The iFilters ...

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Original price $16.60 - Original price $16.60
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Hydronix HF2-10WHBK12 – 10" White Slim Filter Housing with Black Cap (1/2" Ports) The Hydronix HF2-10WHBK12 is a compact, high-quality filter housi...

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Original price $199.00 - Original price $199.00
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Hydro Guard HDG-U4000-UF Total Care Water Systems – Superior Filtration for Cleaner, Healthier Water Upgrade your drinking water with Hydro Guard T...

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Original price $593.50 - Original price $593.50
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The Hydronix IFM-50150 Inline Flowmeters have easy-to-read scales silk-screened onto the acrylic bodies that are extremely accurate. Solid One piec...

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Original price $88.20 - Original price $88.20
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The Pentek CRFC20-BB Radial Flow Carbon Filter is ideal for chloramine taste & odor reduction in POE (Point-of-Entry) and other high-flow rate ...

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Original price $17.64 - Original price $17.64
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The Pentek RFC-93 Radial Flow GAC Filter Cartridge offers sediment filtration and reduces carbon fines found in filtered water. This Granular Activ...

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The Hydrofit WNV-2 Feed Water Valve Adapter measures 1/2"F x 1/2"M x 1/4"F

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Original price $189.77 - Original price $189.77
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HydroScientific AR Series Absolute Rated Pleated Filters are Beta 5000 Absolute rated filters. Made from 100% pure Polypropylene. HydroScientific A...

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Original price $189.77 - Original price $189.77
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Original price $1.91 - Original price $1.91
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Replacement PR Button Kit for the Hydronix HF2, HF3 and HF5 filters. Made from durable materials for durability. This replacement PR Button Kit com...

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Original price $1.91 - Original price $1.91
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Original price $180.73 - Original price $180.73
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HydroScientific AR Series Absolute Rated Pleated Filters are Beta 5000 Absolute rated filters. Made from 100% pure Polypropylene HydroScientific AR...

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Original price $180.73 - Original price $180.73
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Original price $939.82 - Original price $939.82
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HydroScientific MRH-710-2 SS304 10" Filter Housing, 7 Rounds, 2" FNPT, 150 PSI, 42 GPM

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Original price $38.99 - Original price $38.99
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MRH-7-ORING replacement O-Ring for Hydronix 7 Round MRH Housings. Made from durable EPDM material.

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Original price $1,959.02 - Original price $1,959.02
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HydroScientific MRH-730-2 SS304 30", 7 Rounds Filter Housing, 150 PSI with 2" FNPT Port, 126 GPM

Original price $1,959.02 - Original price $1,959.02
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