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GAC & KDF

GAC & KDF filter cartridges are designed to improve water quality by combining granular activated carbon with powerful KDF media. This filtration blend helps reduce chlorine, unpleasant taste, and common odors while targeting heavy metals such as iron and lead. Many homeowners rely on these cartridges for both city and well water systems. Replacement options are available in multiple sizes to fit standard whole-house and undersink housings. Consistent filter changes help maintain strong flow and reliable contaminant reduction.

About Our GAC & KDF Replacement Filter Products

Our selection includes a wide range of replacement GAC & KDF filter cartridges compatible with popular whole-house and drinking water systems. Sizes such as 2.5 x 10-inch and 4.5 x 20-inch cartridges make it easy to match existing housings. Options are available for sediment pre-filtration, carbon block stages, and KDF enhanced blends for scale control and heavy metal reduction. Several models are designed specifically for well water treatment, where iron and hydrogen sulfide are common concerns. Auto Ship choices simplify routine maintenance and help you stay on schedule without the hassle of reordering.

Why Choose iFilters for GAC & KDF Filter Products?

iFilters offers trusted replacement cartridges that meet the needs of residential and light commercial systems. Each product listing includes clear specifications so you can confirm size, micron rating, and compatibility before purchasing. Competitive pricing and strong customer ratings reflect dependable performance across many water conditions. Fast shipping and convenient Auto Ship programs make ongoing filter replacement simple. A broad inventory allows you to find the right cartridge without searching across multiple stores.

Shop GAC & KDF filter products online today!

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IF-P117 AP117 Compatible GAC Water Filter 4 Pack - IFilters
iFilters

IF-P117 AP117 Compatible GAC Water Filter 4 Pack

IF-P117/4
in stock

Sale
$35.00 $31.50

4 Pack of the Aqua-Pure AP117 Compatible Premium Carbon IF-P117 GAC Water Filter. Premium GAC Granular Activated Coconut Shell Carbon Removes Chlor...

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Sale
$35.00 $31.50
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iFilters KDF and GAC City or Well Water Whole House Filtration 4.5" x 20" - IFilters
iFilters KDF and GAC City or Well Water Whole House Filtration 4.5" x 20" - IFilters
iFilters

iFilters KDF and GAC City or Well Water Whole House Filtration 4.5" x 20"

KDF2-4520
in stock

Sale
$109.99 $99.00

KDF2-4520 4.5" x 20" Coconut GAC + 2LBS KDF size cartridge. For City or Well Water Whole House or Commercial use. This filter is made from coconut ...

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Sale
$109.99 $99.00
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