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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PRO+AQUA

PRO-SCI-S80E 80,000 Grain Whole House Water Filter & Softener Bundle

PRO-SCI-S80E

In stock

$1,200.95 - $1,200.95

$1,200.95

$1,200.95 - $1,200.95

$1,200.95

Maximum Capacity. Total Home Confidence. Our most powerful water treatment bundle yet—engineered for large households with high water demand. This ...

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$1,200.95 - $1,200.95

$1,200.95

$1,200.95 - $1,200.95

$1,200.95

PRO+AQUA

PRO-SCI-S65E 65,000 Grain Whole House Water Filter & Softener Bundle

PRO-SCI-S65E

In stock

$1,083.95 - $1,083.95

$1,083.95

$1,083.95 - $1,083.95

$1,083.95

High-Capacity Power. Whole-Home Peace of Mind. Built for big families and busy homes, this dual-stage system delivers ultra-clean, soft water to ev...

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$1,083.95 - $1,083.95

$1,083.95

$1,083.95 - $1,083.95

$1,083.95

PRO+AQUA

PRO-SCI-S55E 55,000 Grain Whole House Water Filter & Softener Bundle

PRO-SCI-S55E

In stock

$1,000.90 - $1,000.90

$1,000.90

$1,000.90 - $1,000.90

$1,000.90

Heavy-Duty Water Treatment. Whole-Home Peace of Mind. Engineered for large households, this high-capacity dual-stage system delivers consistently c...

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$1,000.90 - $1,000.90

$1,000.90

$1,000.90 - $1,000.90

$1,000.90

PRO+AQUA

PRO-SCI-S45E 45,000 Grain Whole House Water Filter & Softener Bundle

PRO-SCI-S45E

In stock

$926.95 - $926.95

$926.95

$926.95 - $926.95

$926.95

Bigger Capacity. Full-Home Comfort. Designed for larger households, this powerful dual-stage system delivers cleaner, softer water to every tap. Wi...

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$926.95 - $926.95

$926.95

$926.95 - $926.95

$926.95

PRO+AQUA

PRO-SCI-S35E 35,000 Grain Whole House Water Filter & Softener Bundle

PRO-SCI-S35E

In stock

$848.95 - $848.95

$848.95

$848.95 - $848.95

$848.95

Clean, Soft Water. Whole-Home Confidence. Enjoy smoother skin, shinier hair, longer-lasting appliances, and better-tasting water. Every tap, every ...

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$848.95 - $848.95

$848.95

$848.95 - $848.95

$848.95

Whole House Water Filtration System + 65,000 Grain Water Softener | Bundle

PRO+AQUA

Whole House Water Filtration System + 80,000 Grain Water Softener | Bundle

PRO-E-S80E

in stock

$1,445.56 - $1,445.56

$1,445.56

$1,445.56 - $1,445.56

$1,445.56

Ultimate water quality for extra-large homes. Powerful filtration plus high-capacity softening built to protect families and plumbing systems at sc...

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$1,445.56 - $1,445.56

$1,445.56

$1,445.56 - $1,445.56

$1,445.56

Whole House Water Filtration System + 55,000 Grain Water Softener | Bundle

PRO+AQUA

Whole House Water Filtration System + 65,000 Grain Water Softener | Bundle

PRO-E-S65E

in stock

$1,328.56 - $1,328.56

$1,328.56

$1,328.56 - $1,328.56

$1,328.56

Powerful water filtration and softening for large households. Enjoy cleaner, softer water that protects your family and appliances. The PRO+AQUA PR...

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$1,328.56 - $1,328.56

$1,328.56

$1,328.56 - $1,328.56

$1,328.56

Whole House Water Filtration System + 45,000 Grain Water Softener | Bundle

PRO+AQUA

Whole House Water Filtration System + 55,000 Grain Water Softener | Bundle

PRO-E-S55E

in stock

$1,245.51 - $1,245.51

$1,245.51

$1,245.51 - $1,245.51

$1,245.51

Get powerful well water protection and efficient softening for large households. The PRO-SCI-S55E pairs our advanced 3-stage PRO-100-E whole house ...

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$1,245.51 - $1,245.51

$1,245.51

$1,245.51 - $1,245.51

$1,245.51

Aquasure

Aquasure Signature Elite 5-in-1 Whole House Water Treatment Bundle with 48,000 Grain Fine Mesh Resin Softener + 12 GPM UV Sterilizer

AS-SE1000FMU

in stock

$1,999.99 - $1,999.99

$1,999.99

$1,999.99 - $1,999.99

$1,999.99

Overview The Aquasure Signature Elite 48,000 Grains Whole House Water Softener & Conditioner Bundle (AS-SE1000FMU) delivers an advanced 8-stage...

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$1,999.99 - $1,999.99

$1,999.99

$1,999.99 - $1,999.99

$1,999.99

Auto Ship

iFilters

iFilters CBSM-2510 Coconut Shell CTO, Carbon Block Drinking Water Filter, 2.5 x 10, 0.5 Micron (2 Pack)

CBSM-2510-2PK

in stock

$37.99 - $37.99

$37.99

$37.99 - $37.99

$37.99

iFilters CBSM-2510 Coconut Shell CTO Carbon Block Drinking Water Filter – 2.5" x 10", 0.5 Micron (2 Pack) High-Performance Filtration for Clean, Gr...

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$37.99 - $37.99

$37.99

$37.99 - $37.99

$37.99

Auto Ship

iFilters

iFilters SG-GAC-SET (LWH-D Version 2) OEM Replacement Filter Set Sediment, Rust & CTO Filters (2 Pack)

IF2-SG-GAC-SET

in stock

$45.00 - $45.00

$45.00

$45.00 - $45.00

$45.00

iFilters SG-GAC-SET (LWH-D Version 2) OEM Replacement Filter Set – Sediment & Carbon GAC (2 Pack) Upgrade your iFilters LWH-D Whole House Filt...

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$45.00 - $45.00

$45.00

$45.00 - $45.00

$45.00

Auto Ship

iFilters

iFilters CBSM-2510 Coconut Shell CTO, Carbon Block Drinking Water Filter, 2.5 x 10, 0.5 Micron (4 Pack)

CBSM-2510-4PK

in stock

$67.99 - $67.99

$67.99

$67.99 - $67.99

$67.99

iFilters CBSM-2510 Coconut Shell CTO Carbon Block Drinking Water Filter – 2.5" x 10", 0.5 Micron High-Performance Filtration for Clean, Great-Tasti...

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$67.99 - $67.99

$67.99

$67.99 - $67.99

$67.99

Hydronix

3/4 Inch NPT Male Plastic Nipple Hex Connector With O-rings

NP-34

in stock

$6.99 - $6.99

$6.99

$6.99 - $6.99

$6.99

3/4" NPT Nipple Male Plastic Connector is made from Polypropylene. The Center has a Hex shape to allow tool installation.

$6.99 - $6.99

$6.99

$6.99 - $6.99

$6.99

Auto Ship

iFilters

iFilters Dual Purpose Radial Flow Water Filter Cartridge – RFC-93 / RFC93 Compatible Replacement – 10" x 4.5" Sediment & Activated Carbon Whole House Filter – Reduces Chlorine, Taste, Odor, Rust & Sediment for Home Water Systems (2 Pack)

IF2-RF-4510

In stock

$36.99 - $36.99

$36.99

$36.99 - $36.99

$36.99

Upgrade your water system with the iFilters Dual Purpose Radial Flow Cartridge (RFC-93 Comparable), designed to deliver both sediment filtration an...

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$36.99 - $36.99

$36.99

$36.99 - $36.99

$36.99

Auto Ship

iFilters

iFilters Dual Purpose Radial Flow Water Filter Cartridge – RFC-93 / RFC93 Compatible Replacement – 10" x 4.5" Sediment & Activated Carbon Whole House Filter – Reduces Chlorine, Taste, Odor, Rust & Sediment for Home Water Systems (3 Pack)

IF3-RF-4510

In stock

$42.00 - $42.00

$42.00

$42.00 - $42.00

$42.00

Upgrade your water system with the iFilters Dual Purpose Radial Flow Cartridge (RFC-93 Comparable), designed to deliver both sediment filtration an...

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$42.00 - $42.00

$42.00

$42.00 - $42.00

$42.00