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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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$89.00
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$89.00
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This standard sized 10" High Temperature Housing features 3/4" inlet and outlet ports and is rated for temperatures up to 165 °F. The housing will ...
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$89.00
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$89.00
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$61.00
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$61.00
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$61.00
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$61.00
Hydronix HF45 Series Commercial Filter Housings are high durability commercial filter housings for 20" length cartridges. HF45 Series housings have...
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$61.00
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$61.00
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$61.00
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$61.00
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$23.99
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$23.99
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The HF4-10WHWH38 is a 10" White Body housing with a White Flat Cap and 3/8" port. This housings has Double O-Rings. Uses any brand of standard 2.5”...
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$23.99
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$23.99
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$62.79
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$62.79
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$62.79
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$62.79
The Hydronix HF45-10CLBK34 (Note: Picture shows PR version, this one does not include the PR button) 10" Clear Filter Housing is an extra-wide hous...
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$62.79
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$62.79
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$62.79
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$62.79
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$24.50
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$24.50
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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...
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$62.79
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$62.79
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$62.79
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$62.79
Hydronix HF45-10CLBK10 Water Filter Housing – 10” Big Blue (BB) Clear Housing, 1” Ports The Hydronix HF45-10CLBK10 is a 10" Clear Big Blue (BB) Wat...
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$62.79
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$40.04
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Hydronix HF5-20BLBK34PR (with Pressure Relief Button) Blue Filter Housings are made to house 2.5" x 20” cartridges. Most 2.5" x 20” cartridges fit ...
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$40.04
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$299.94
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$299.94
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HydroScientific HF4520SS-10 – Stainless Steel High-Flow Filter Housing The HF4510SS-10 is a durable and reliable stainless steel filter housing des...
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$299.94
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$299.94
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$87.28
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$87.28
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$87.28
The Hydronix HF45-20CLBK15 (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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$87.28
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$19.25
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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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$19.25
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$17.23
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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...
View full details
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$17.23
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$17.86
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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...
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$17.86
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$17.86
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$436.45
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The HF4520SS316-10 is a dependable filter housing suitable for various filtration applications. Constructed from durable 316 stainless steel, it of...
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$40.19
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The Hydronix HF45-10BLBK34PR 10" Filter Housing is an extra-wide housing that accommodates large 4.5" wide filters for increased flow. This housing...
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$40.19
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$39.67
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The Hydronix HF45-10BLBK10 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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$39.67
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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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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...
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$18.36
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$155.00
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Hydronix SPV-2521 Stainless Steel Membrane Housing – 2.5" x 21", 300 PSI, 3/8" Ports The Hydronix SPV-2521 Stainless Steel Membrane Housing is a hi...
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$155.00
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$52.49
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The Hydronix HF45-20BLBK34PR 20" Filter Housing is an extra-wide housing that accommodates large 4.5" wide filters for increased flow. This housing...
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$52.49
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$22.68
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Hydronix HF5-10BLBK34 Filter Housings are made to house 2.5" x 10” cartridges. Most 2.5" x 10” cartridges fit easily. Ideal for typical application...
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$22.68
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$18.75
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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...
View full details
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$18.75
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$15.83
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$15.83
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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$15.83
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$15.83
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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
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$17.74
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$17.74
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$17.74
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$17.74
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$24.50
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$24.50
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$24.50
$24.50
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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
Original price
$24.50
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Original price
$24.50
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$24.50
$24.50
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$24.50
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$24.50
