Skip to content

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

Original price $14.25 - Original price $14.25
Original price
$14.25
$14.25 - $14.25
Current price $14.25

Hydronix PG25300L - 0-300 PSI Water Pressure Gauge, 2.5" Stainless Steel, 1/4" NPT Port The Hydronix PG25300L is a high-quality, UV-resistant water...

View full details
Original price $14.25 - Original price $14.25
Original price
$14.25
$14.25 - $14.25
Current price $14.25
Original price $75.95 - Original price $75.95
Original price
$75.95
$75.95 - $75.95
Current price $75.95

Hydronix PFM-535 Panel Mount Flow Meter – 5-35 GPM, 1" MNPT The Hydronix PFM-535 Panel Mount Flow Meter is designed for high-precision water flow m...

View full details
Original price $75.95 - Original price $75.95
Original price
$75.95
$75.95 - $75.95
Current price $75.95
Original price $74.42 - Original price $74.42
Original price
$74.42
$74.42 - $74.42
Current price $74.42

Hydronix BSV-38110VW - Brass Solenoid Valve, 110V 50/60Hz, 3/8" FNPT (Normally Closed) The Hydronix BSV-38110VW is a high-performance brass solenoi...

View full details
Original price $74.42 - Original price $74.42
Original price
$74.42
$74.42 - $74.42
Current price $74.42
Original price $0.00 - Original price $0.00
Original price $0.00
$17.21
$17.21 - $17.21
Current price $17.21

Elevate your filtration game with Hydronix Bag Filter #2, meticulously designed for precision filtration at 1 micron. This bag filter is your go-to...

View full details
Original price $0.00 - Original price $0.00
Original price $0.00
$17.21
$17.21 - $17.21
Current price $17.21
Original price $105.95 - Original price $105.95
Original price
$105.95
$105.95 - $105.95
Current price $105.95

Hydron HLP-2521 Light Commercial Reverse Osmosis Membrane elements produce 300 gallons per day with 99.0% rejection and a minimum rejection rate of...

View full details
Original price $105.95 - Original price $105.95
Original price
$105.95
$105.95 - $105.95
Current price $105.95
Original price $109.99 - Original price $109.99
Original price
$109.99
$109.99 - $109.99
Current price $109.99

2 Pack iFilters RP-3500 is a 100% compatible alternative replacement for the WF0451 filter used in the RP 5300 water filtration systems. Made from ...

View full details
Original price $109.99 - Original price $109.99
Original price
$109.99
$109.99 - $109.99
Current price $109.99
Original price $59.95 - Original price $59.95
Original price
$59.95
$59.95 - $59.95
Current price $59.95

iFilters RP-3500 is a 100% compatible alternative replacement to the WF0451 filter used in the RP 3500 water filtration systems. Made from certifie...

View full details
Original price $59.95 - Original price $59.95
Original price
$59.95
$59.95 - $59.95
Current price $59.95
Original price $59.95 - Original price $59.95
Original price
$59.95
$59.95 - $59.95
Current price $59.95

The best alternative replacement for C7000 and C6500 Filtration Systems. Manufactured from organic Premium Coconut Shell Activated Carbon, the WC-C...

View full details
Original price $59.95 - Original price $59.95
Original price
$59.95
$59.95 - $59.95
Current price $59.95
Original price $115.95 - Original price $115.95
Original price
$115.95
$115.95 - $115.95
Current price $115.95

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

View full details
Original price $115.95 - Original price $115.95
Original price
$115.95
$115.95 - $115.95
Current price $115.95
Original price $0.00 - Original price $0.00
Original price $0.00
$151.95
$151.95 - $151.95
Current price $151.95

PRO+AQUA ELITE GEN2 Three-Stage Replacement Filter Set for PRO-100-E GEN2 System Advanced Whole House Filtration for Superior Water Quality Designe...

View full details
Original price $0.00 - Original price $0.00
Original price $0.00
$151.95
$151.95 - $151.95
Current price $151.95
Original price $1,943.45 - Original price $1,943.45
Original price
$1,943.45
$1,943.45 - $1,943.45
Current price $1,943.45

This Complete Whole House Water Filtration and Salt-Free Softener Conditioner Package includes the top-selling PRO-100-E 3-Stage ELITE GEN2 Filtrat...

View full details
Original price $1,943.45 - Original price $1,943.45
Original price
$1,943.45
$1,943.45 - $1,943.45
Current price $1,943.45
Original price $0.00 - Original price $0.00
Original price $0.00
$249.99
$249.99 - $249.99
Current price $249.99

Hydro Guard HDGT-45BN RO Filtration System – Reliable, Compact & Hassle-Free Water Purification Experience superior water filtration with the H...

View full details
Original price $0.00 - Original price $0.00
Original price $0.00
$249.99
$249.99 - $249.99
Current price $249.99
Original price $229.95 - Original price $229.95
Original price
$229.95
$229.95 - $229.95
Current price $229.95

Original price $229.95 - Original price $229.95
Original price
$229.95
$229.95 - $229.95
Current price $229.95
Original price $0.00 - Original price $0.00
Original price $0.00
$74.99
$74.99 - $74.99
Current price $74.99

Pro+Aqua Complete Reverse Osmosis Yearly Replacement Filter Set. Includes 1 sediment filter (Stage 1), 2 triple capacity carbon block filters (Stag...

View full details
Original price $0.00 - Original price $0.00
Original price $0.00
$74.99
$74.99 - $74.99
Current price $74.99
Original price $49.85 - Original price $49.85
Original price
$49.85
$49.85 - $49.85
Current price $49.85

Pro+Aqua Reverse Osmosis Replacement Pre-Filter Set. Includes 1 sediment filter (Stage 1) and 2 triple capacity carbon block filters (Stage 2-3). S...

View full details
Original price $49.85 - Original price $49.85
Original price
$49.85
$49.85 - $49.85
Current price $49.85
Original price $39.99 - Original price $39.99
Original price
$39.99
$39.99 - $39.99
Current price $39.99

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...

View full details
Original price $39.99 - Original price $39.99
Original price
$39.99
$39.99 - $39.99
Current price $39.99
Original price $39.99 - Original price $39.99
Original price
$39.99
$39.99 - $39.99
Current price $39.99

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...

View full details
Original price $39.99 - Original price $39.99
Original price
$39.99
$39.99 - $39.99
Current price $39.99
Original price $25.70 - Original price $25.70
Original price
$25.70
$25.70 - $25.70
Current price $25.70

Hydron Saddle and Strap Kit for 4-inch RO membrane Pressure Vessel

Original price $25.70 - Original price $25.70
Original price
$25.70
$25.70 - $25.70
Current price $25.70
Original price $39.95 - Original price $39.95
Original price
$39.95
$39.95 - $39.95
Current price $39.95

Hydronix SWC-45-20-0.5 - 0.5 Micron Sediment String Wound Water Filter Cartridge (4.5" x 20") High-Performance Whole House & Commercial Sedimen...

View full details
Original price $39.95 - Original price $39.95
Original price
$39.95
$39.95 - $39.95
Current price $39.95
Original price $2,493.45 - Original price $2,493.45
Original price
$2,493.45
$2,493.45 - $2,493.45
Current price $2,493.45

This Complete Whole House Water Filtration and Salt-Free Softener Conditioner Package includes the top-selling PRO-100-E 3-Stage ELITE GEN2 Filtrat...

View full details
Original price $2,493.45 - Original price $2,493.45
Original price
$2,493.45
$2,493.45 - $2,493.45
Current price $2,493.45
Original price $3,093.45 - Original price $3,093.45
Original price
$3,093.45
$3,093.45 - $3,093.45
Current price $3,093.45

This Complete Whole House Water Filtration and Salt-Free Softener Conditioner Package includes the top-selling PRO-100-E 3-Stage ELITE GEN2 Filtrat...

View full details
Original price $3,093.45 - Original price $3,093.45
Original price
$3,093.45
$3,093.45 - $3,093.45
Current price $3,093.45
Original price $89.82 - Original price $89.82
Original price
$89.82
$89.82 - $89.82
Current price $89.82

HydroScientific AR0100EF1A Poly-Ray Pleated Silicone Filter – 1 Micron, EPDM Gasket, DOE, 10" The HydroScientific AR0100EF1A is a high-performance ...

View full details
Original price $89.82 - Original price $89.82
Original price
$89.82
$89.82 - $89.82
Current price $89.82
Original price $0.00 - Original price $0.00
Original price $0.00
$10.23
$10.23 - $10.23
Current price $10.23

Hydronix Bag Filter #1, featuring a 100-micron rating, is designed to meet your filtration needs with precision. Whether you're in the pharmaceutic...

View full details
Original price $0.00 - Original price $0.00
Original price $0.00
$10.23
$10.23 - $10.23
Current price $10.23
Original price $0.00 - Original price $0.00
Original price $0.00
$10.23
$10.23 - $10.23
Current price $10.23

Experience exceptional filtration efficiency with Hydronix Bag Filter #1, rated at 10 microns. This bag filter is designed to capture a wide range ...

View full details
Original price $0.00 - Original price $0.00
Original price $0.00
$10.23
$10.23 - $10.23
Current price $10.23
{"statementLink":"","footerHtml":"","hideMobile":false,"hideTrigger":false,"disableBgProcess":false,"language":"en","position":"right","leadColor":"#146ff8","triggerColor":"#146ff8","triggerRadius":"50%","triggerPositionX":"right","triggerPositionY":"bottom","triggerIcon":"people","triggerSize":"medium","triggerOffsetX":95,"triggerOffsetY":20,"mobile":{"triggerSize":"small","triggerPositionX":"right","triggerPositionY":"bottom","triggerOffsetX":90,"triggerOffsetY":10,"triggerRadius":"50%"}}