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Water filter housings come in a a variety of sizes and materials. They are designed for use in reverse osmosis systems and undersink applications. Choose a filter housing based upon the water filter you already use or the filter you plan to purchase to solve specific water quality issues.

10 Inch Big Blue Water Filter Housings 10 Inch Water Filter Housings 20-inch Standard Size Large Filter Housings 20-inch Standard Size Small Filter Housings 3M CUNO Filter Housings
5-inch Standard Size Large Filter Housings 5-inch Standard Size Small Filter Housings Aqua-Pure Filter Housings Culligan Filter Housings Everpure Filter Housings
OmniFilter Filter Housings Pentek Filter Housings Watts Filter Housings Watts Scale Prevention

Popular Products

Pentek 158133 Clear Filter Housing 1/4" FPT
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within the continental U.S.

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Ships in 5 to 6 days.

Retail: $27.60

As Low As: $17.73

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Pentek 153014 Slim Line 5" Blue Filter Housing
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Ships in 5 to 6 days.

Retail: $24.02

As Low As: $14.92

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Pentek 153014 Slim Line 5" Blue Filter Housing
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Ships in 5 to 6 days.

Retail: $24.02

As Low As: $14.92

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OmniFilter OB5 Whole House Water Filter Housing
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within the continental U.S.

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Ships in 5 to 6 days.

Retail: $49.99

Our Price: $39.95

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Pentek 150067 10" Standard 3/4" Housing
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within the continental U.S.

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Ships in 5 to 6 days.

Retail: $32.51

Our Price: $26.40

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Pentek 158117 1/4" NPT Slim Line 10" Clear Housing
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within the continental U.S.

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Ships in 5 to 6 days.

Retail: $24.13

As Low As: $14.57

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Pentek 158326 1/4" NPT Slim Line 10" Clear Housing
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Ships in 1 business day

Retail: $31.25

Our Price: $24.17

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Pentek 158006 3/8" NPT Slim Line 10" Blue Housing
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within the continental U.S.

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Ships in 5 to 6 days.

Retail: $24.15

As Low As: $11.11

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Pentek 150437 #10 Clear Valve-In-Head w/pr
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within the continental U.S.

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Ships in 5 to 6 days.

Retail: $66.27

As Low As: $44.45

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Pentek 158643 3/8" 3G Slim Line 10" Clear Housing
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Ships in 1 business day

Retail: $42.08

Our Price: $32.98

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Pentek 150550 3/4" Blue 10" 3G Std. Filter Housing
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within the continental U.S.

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Retail: $49.99

As Low As: $34.71

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Omnifilter U30-S-S06 Replacement for Omnifilter U30-S-05
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Ships in 5 to 6 days.

Retail: $94.99

Our Price: $79.99

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Pentek 154134 Cap for 10"/20" Blue Filter Housings
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Ships in 5 to 6 days.

Retail: $60.10

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Pentek 154138 Cap for 10" Clear Filter Housings
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Ships in 5 to 6 days.

Retail: $60.10

Our Price: $44.03

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Pentek 154622 3G 3/4" Black IB Filter Housing Cap
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Ships in 5 to 6 days.

Retail: $56.42

Our Price: $45.06

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Pentek 154061 10"/20" Filter Housing Nylon Cap
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Ships in 5 to 6 days.

Retail: $69.99

Our Price: $49.99

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Pentek 153093 Filter Housing Sump 10" Slim Line
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Ships in 5 to 6 days.

Retail: $96.04

Our Price: $52.33

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Pentek 153063 Standard 10" Black Nylon Filter Sump
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within the continental U.S.

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Ships in 5 to 6 days.

Retail: $121.99

Our Price: $104.49

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Pentek 153005 Standard 10" High Temp Filter Sump
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within the continental U.S.

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Ships in 5 to 6 days.

Retail: $147.22

As Low As: $129.82

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Pentek 10" Big White Water Filter Housing 6-Pack
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within the continental U.S.

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Ships in 5 to 6 days.

Retail: $59.99

Our Price: $44.99

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Pentek 10" Big White Filter Housing with PR 4-Pack
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within the continental U.S.

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Ships in 5 to 6 days.

Retail: $89.99

Our Price: $64.99

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Pentek 10" Slim Line Housing with 10MCB Filter 2-Pack
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within the continental U.S.

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Ships in 5 to 6 days.

Retail: $218.99

Our Price: $186.99

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Pentek 153194 3G Clear Filter Housing Sump
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Ships in 5 to 6 days.

Retail: $48.13

Our Price: $33.00

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Pentek 153049 Replacement for Everpure EV309257
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Ships in 5 to 6 days.

Retail: $30.11

Our Price: $22.04

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Omnifilter U30-S-S18 Replacement For Omnifilter U30-S-S06
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Ships in 5 to 6 days.

Retail: $94.99

Our Price: $79.99

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Pentek 150239 10" Big Blue HFPP 1.5" Housing 6-Pack
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within the continental U.S.

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Ships in 5 to 6 days.

Retail: $294.34

Our Price: $257.69

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Pentek 150238 10" Big Blue HFPP 1" Housing
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within the continental U.S.

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Ships in 5 to 6 days.

Retail: $126.31

Our Price: $99.08

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Pentek 166219, W10-BC 1" #10 Big Clear Housing 6-Pack
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within the continental U.S.

In Stock!
Ships in 5 to 6 business days.

Retail: $1,081.52

Our Price: $660.50

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Pentek 150240 1-1/2" Big Blue 10" Filter Housing 6-Pack
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within the continental U.S.

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Ships in 5 to 6 days.

Retail: $69.99

Our Price: $44.99

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Culligan HD-950 - 10" x 4.5" Water Filter Housing
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within the continental U.S.

Special Order.
Ships in 5 to 6 days.

Retail: $69.99

Our Price: $52.99

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Pentek 154166 1" Cap for Big Blue Filter Housing
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Ships in 5 to 6 days.

Retail: $96.09

Our Price: $75.38

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Pentek 154167 1.5" Cap for Big Blue Filter Housing
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Ships in 5 to 6 days.

Retail: $68.44

Our Price: $55.01

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Pentek 154299 1" Big White Filter Housing Cap
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Ships in 5 to 6 days.

Retail: $49.99

Our Price: $39.99

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Pentek 154302 1.5" Big White Filter Housing Cap
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Ships in 5 to 6 days.

Retail: $49.99

Our Price: $39.99

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Pentek 154284 3/4" Big White Filter Housing Cap
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Ships in 5 to 6 days.

Retail: $59.99

Our Price: $39.99

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Pentek 154291 1" Cap for Big Clear Filter Housings
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Ships in 5 to 6 days.

Retail: $60.01

Our Price: $44.00

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Pentek 154195 3/4" Big Blue Filter Housing Cap
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Ships in 5 to 6 days.

Retail: $84.07

As Low As: $54.19

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Pentek 154077 Big Blue Housing 1" Filter Cap
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Ships in 5 to 6 days.

Retail: $84.07

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Pentek 154078 Big Blue Housing 1.5" Filter Cap
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Ships in 5 to 6 days.

Retail: $79.99

Our Price: $59.99

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Pentek 153098 10" Big Blue Filter Housing Sump
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Ships in 5 to 6 days.

Retail: $179.99

Our Price: $139.99

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Omnifilter BF35-S-S06 Whole Filter System & Filter
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Ships in 5 to 6 days.

Retail: $99.99

Our Price: $86.99

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Pentek 158204 1/2" NPT Slim Line 20" Blue Housing 8-Pack
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within the continental U.S.

Special Order.
Ships in 5 to 6 days.

Retail: $42.11

Our Price: $32.10

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Pentek 154134 Cap for 10"/20" Blue Filter Housings
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Ships in 5 to 6 days.

Retail: $60.10

As Low As: $33.23

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Pentek 153058 20" Slim Line Blue Filter Housing
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Ships in 5 to 6 days.

Retail: $59.99

Our Price: $44.99

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Pentek 154061 10"/20" Filter Housing Nylon Cap
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Ships in 5 to 6 days.

Retail: $69.99

Our Price: $49.99

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Pentek 153031 Standard 20" Red Nylon Filter Sump
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within the continental U.S.

Special Order.
Ships in 5 to 6 days.

Retail: $199.99

Our Price: $159.99

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Pentek 20" Big White Water Filter Housing
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within the continental U.S.

Special Order.
Ships in 5 to 6 days.

Retail: $79.99

Our Price: $64.99

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Pentek 20" Big White Water Filter Housing with PR
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within the continental U.S.

Special Order.
Ships in 5 to 6 days.

Retail: $99.99

Our Price: $74.99

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Pentek 150467 20" Big Blue HFPP 3/4" Housing
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Ships in 1 business day

Retail: $108.06

Our Price: $71.47

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Pentek 150236 1-1/2" Big Blue 20" Filter Housing
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within the continental U.S.

Special Order.
Ships in 5 to 6 days.

Retail: $85.35

Our Price: $67.12

Save 21%!