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Inline Filters

Fresh-tasting water starts with the right finishing step, and the inline filters make that upgrade simple for many point-of-use setups. These compact cartridges install directly on a water line, so they fit neatly behind appliances or under a sink. Homeowners often use them after a reverse osmosis unit, on RV lines, or to improve refrigerator ice and drinking water. Sizing stays simple on standard lines. Quick replacement helps keep flavor consistent and supports steady performance between service calls.

About Inline Filter Replacement Products

Inline filter replacement products are built to match common drinking water and RO connections, including popular quick-connect and threaded port styles. Media choices vary to match your goal, such as coconut shell GAC for taste and odor control, KDF blends for added reduction support, and alkaline or remineralization options for a smoother finish. Compact sediment stages are also available for protecting downstream components in tight spaces. Many cartridges are designed as post-polishing filters, which help refine water right before the faucet, dispenser, or ice maker.

Why Choose iFilters for Inline Filter Products?

iFilters makes it easy to find the correct cartridge by offering a broad selection of inline sizes, flow ratings, and connection types in one place. Product pages highlight key details like compatible systems, media type, and expected service life, which helps you shop with confidence. Auto Ship is available on many inline replacements, so filter changes stay on schedule without extra reminders. Fast fulfillment and dependable stock levels help reduce downtime for everyday drinking water, RO systems, RV setups, refrigerators, and other compact filtration needs. Support team resources can help confirm fittings and replacement timing, especially when your system uses mixed tubing sizes or older housings.

Shop inline filter products online today!

Filters

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$19.99 $18.00

This Hydronix ICF-10Q inline coconut filter has 1/4" quick-connect connections and is suitable for drinking water filtration applications. This NSF...

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Sale
$19.99 $18.00
Sale
$17.58 $15.83

The Omnifilter ROR2050 Replacement Filter Pack comes with an RS14 style inline filter cartridge. This Omnifilter replacement reverse osmosis kit in...

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Sale
$17.58 $15.83
Sale
$23.84 $21.46

This Smart Pack IF4-HDG-SED-AC5 contains 4 (stage 1) 100% high purity polypropylene filters (1 year supply). The IF4-HDG-SED-AC5 high purity polypr...

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Sale
$23.84 $21.46
Sale
$7.50 $6.75

Hydronix ICF Series Inline Filters utilize NSF listed coconut shell GAC and are designed to remove unpleasant taste and odor and reduce sediment to...

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Sale
$7.50 $6.75
Sale
$8.99 $8.10

Hydronix ICF-6Q inline Coconut shell carbon filters have 1/4" quick-connect connections and are suitable for Drinking water filtration applications...

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Sale
$8.99 $8.10
Sale
$7.83 $7.05

Hydronix ICF Series Inline Filters utilize NSF listed coconut shell GAC and are designed to remove unpleasant taste and odor and reduce sediment to...

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Sale
$7.83 $7.05
Sale
$11.14 $10.03

Hydronix ISF-2512 inline sediment filters have 1/4" npt connections and are suitable for drinking water filtration applications. The internal polyp...

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Sale
$11.14 $10.03
Sale
$14.23 $12.81

Hydronix ICF-2512 inline Coconut shell carbon filters have 1/4" NPT connections and are suitable for Drinking water filtration applications. The Co...

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Sale
$14.23 $12.81
Sale
$10.81 $9.73

This 3/8" Quick Connect Hydronix ISF Series Inline Sediment Filters are designed to reduce sand, particles and sediment to produce cleaner, clearer...

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$10.81 $9.73
Sale
$10.00 $9.00

Hydronix ISF-10 inline sediment filters have 1/4" NPT connections and are suitable for Drinking water filtration applications. The internal polypro...

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Sale
$10.00 $9.00
Sale
$15.99 $14.40

The Smart Packs Inline Filters utilize NSF listed coconut shell GAC and are designed to remove unpleasant taste and odor and reduce sediment to pro...

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Sale
$15.99 $14.40
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