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Water 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!
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$18.24
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Hydronix HF2 series Slim flat cap Filter housings are ideal for Typical applications as pre- and post-filtration for RO systems, under sink filters...
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$18.24
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$27.99
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$27.99
Hydronix HF3 series Slim Rib cap Filter housings have pressure Relief (PR) buttons and are ideal for Typical applications such as pre- and post-fil...
View full details
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$27.99
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$27.99
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$27.99
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$17.74
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$17.74
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$17.74
Hydronix HF3 series Slim Rib cap Filter housings are ideal for Typical applications such as pre- and post-filtration for ro systems, under sink fil...
View full details
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$17.74
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$17.74
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$98.95
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$98.95
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$98.95
The Hydronix HF45-20CLBK34 (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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$98.95
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$98.95
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$39.67
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$39.67
The Hydronix HF45-10BLBK34 10" Filter Housing is an extra-wide housing that accommodates large 4.5" wide filters for increased flow. It is made of ...
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$40.94
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The Hydronix HF45-10BLBK15PR (with Pressure Relief Button) filter housing accepts 10 x 4.5 inch filters and is ideal for use in residential, commer...
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$40.94
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$40.94
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$18.24
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$18.24
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$18.24
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$18.24
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$18.24
Hydronix HF2 series Slim flat cap Filter housings are ideal for Typical applications as pre- and post-filtration for RO systems, under sink filters...
View full details
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$18.24
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$15.83
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$15.83
Hydronix HF3 series Slim Rib cap Filter housings have pressure Relief (PR) buttons and are ideal for Typical applications such as pre- and post-fil...
View full details
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$15.83
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$15.83
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$18.50
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$18.50
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$18.50
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$18.50
Hydronix HF3 series Slim Rib cap Filter housings have pressure Relief (PR) buttons and are ideal for Typical applications such as pre- and post-fil...
View full details
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$18.50
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$18.50
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$24.50
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$24.50
Hydronix HF3 series Slim Rib cap Filter housings have pressure Relief (PR) buttons and are ideal for Typical applications such as pre- and post-fil...
View full details
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$24.50
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$24.50
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$23.50
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$23.50
Hydronix HF3 series Slim Rib cap Filter housings have pressure Relief (PR) buttons and are ideal for Typical applications such as pre- and post-fil...
View full details
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$23.50
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$23.50
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$23.50
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$17.04
Hydronix HF3 series Slim Rib cap Filter housings have pressure Relief (PR) buttons and are ideal for Typical applications such as pre- and post-fil...
View full details
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$17.04
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$18.50
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$18.50
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$18.50
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$18.50
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$18.50
Hydronix HF2 series Slim flat cap Filter housings are ideal for Typical applications as pre- and post-filtration for ro systems, under sink filters...
View full details
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$18.50
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$17.23
Hydronix HF2 series Slim flat cap Filter housings are ideal for Typical applications as pre- and post-filtration for RO systems, under sink filters...
View full details
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$17.23
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$17.23
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$17.23
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$17.23
Hydronix HF3 series Slim Rib cap Filter housings are ideal for typical applications such as pre- and post-filtration for ro systems, under sink fil...
View full details
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$17.23
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$17.23
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$17.23
Hydronix HF3 series Slim Rib cap Filter housings have pressure Relief (PR) buttons and are ideal for Typical applications such as pre- and post-fil...
View full details
Original price
$17.23
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$17.23
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Hydronix HF2-10WHBK12 – 10" White Slim Filter Housing with Black Cap (1/2" Ports) The Hydronix HF2-10WHBK12 is a compact, high-quality filter housi...
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Hydronix HF3 Series Slim Rib Cap Filter Housings are available in a variety of colors and are made to house 2.5" diameter cartridges. Most 2.5" x 5...
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$17.74
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$17.74
$17.74
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$17.74
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$17.74
Hydronix HF2 series Slim flat cap Filter housings are ideal for Typical applications as pre- and post-filtration for RO systems, under sink filters...
View full details
Original price
$17.74
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Original price
$17.74
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$17.74
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$17.74
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$17.74
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$40.42
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$40.42
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$40.42
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$40.42
The Hydronix HF45-10BLBK15 filter housing accepts 10 x 4.5-inch filters and is ideal for use in residential, commercial, and light industrial appli...
View full details
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$40.42
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$40.42
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$40.42
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$19.99
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$19.99
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$19.99
$19.99
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$19.99
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$19.99
Hydronix HF2 series Slim flat cap Filter housings are ideal for Typical applications as pre- and post-filtration for RO systems, under sink filters...
View full details
Original price
$19.99
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Original price
$19.99
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$19.99
$19.99
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$19.99
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$19.99
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$16.34
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$16.34
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$16.34
$16.34
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$16.34
Hydronix HF2 series Slim flat cap Filter housings are ideal for Typical applications as pre- and post-filtration for ro systems, under sink filters...
View full details
Original price
$16.34
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Original price
$16.34
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$16.34
$16.34
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$16.34
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$16.34
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$17.84
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$17.84
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$17.84
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$17.84
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$17.84
Hydronix HF3 series Slim Rib cap Filter housings have pressure Relief (PR) buttons and are ideal for Typical applications such as pre- and post-fil...
View full details
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$17.84
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$17.84
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$17.84
$17.84
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$17.84
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$17.84
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$23.50
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$23.50
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$23.50
$23.50
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$23.50
Current price
$23.50
Hydronix HF3 series Slim Rib cap Filter housings have pressure Relief (PR) buttons and are ideal for Typical applications such as pre- and post-fil...
View full details
Original price
$23.50
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Original price
$23.50
Original price
$23.50
$23.50
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$23.50
Current price
$23.50
