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Filter Housings

Reliable water filtration starts with a strong foundation, and filter housings product options keep your system sealed, stable, and easy to service. This category brings together housings built for whole house protection, point of use drinking water setups, and demanding commercial applications. Clear and opaque styles support quick checks or light blocking where needed. Many designs include pressure relief features that make cartridge changes cleaner and faster. Pair housings with compatible brackets, wrenches, and replacement O-rings for smoother maintenance today. Match the housing to your plumbing layout, flow needs, and filter type for consistent performance.

About Filter Housings

Filter housing products act as the protective shell that holds sediment, carbon, or specialty cartridges in place while water moves through at the right pressure. Choices cover common 5-inch, 10-inch, and 20-inch lengths, plus standard 2.5-inch slim and 4.5-inch big blue diameters for higher flow. Installations range from DIY whole-house builds to RO units, DI systems, hydroponics, and dedicated drinking water lines. Port sizes vary to suit different setups, from compact connections to higher-capacity in-and-out fittings. Durable materials and tight seals help reduce leaks and keep filtration stages aligned.

Why Choose iFilters for Filter Housings?

iFilters makes it simple to find a housing that fits your filter size, diameter, and intended use without guesswork. Selection supports everyday residential needs, plus commercial and industrial projects that require stronger bodies and higher flow paths. Product pages highlight key details so you can compare port sizing, length, and features with confidence. Stock availability helps you plan upgrades and replacements without long downtime. Fast ordering tools and support resources keep your build moving from cart to install.

Shop filter housings online today!

Filters

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Original price $12.99 - Original price $12.99
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Current price $12.99

The Hydronix MH03-1812WH-QC Quick Connect Membrane Housings are manufactured with high-quality NSF approved material and will accommodate standard ...

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Original price $12.99 - Original price $12.99
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$12.99
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Current price $12.99
Original price $87.28 - Original price $87.28
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$87.28
$87.28 - $87.28
Current price $87.28

The Hydronix HF45-20CLBK10 (Note: Picture shows PR version, this one does not include the PR button) 20" Clear Filter Housing is an extra-wide hous...

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Original price $87.28 - Original price $87.28
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$87.28
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Current price $87.28
Original price $19.99 - Original price $19.99
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$19.99
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Current price $19.99

Hydro Guard HDG45-10BODY Replacement Housing – OEM Drop-In Style for HDG-45 RO System Ensure the longevity and efficiency of your Hydro Guard HDG-4...

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Original price $19.99 - Original price $19.99
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$19.99
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Current price $19.99
Original price $40.19 - Original price $40.19
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Current price $40.19

The Hydronix HF45-10BLBK10PR 10" Filter Housing is an extra-wide housing that accommodates large 4.5" wide filters for increased flow. This housing...

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Original price $40.19 - Original price $40.19
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Current price $40.19
Original price $62.79 - Original price $62.79
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$62.79
$62.79 - $62.79
Current price $62.79

The Hydronix HF45-10CLBK10PR 10" Clear Filter Housing (with Pressure Relief Button) is an extra-wide housing that accommodates large 4.5" wide filt...

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Original price $62.79 - Original price $62.79
Original price
$62.79
$62.79 - $62.79
Current price $62.79
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