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  1. All Filters

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Water Filter Housings


Find heavy-duty water filter housings that can be used for whole house water filters, replacements for RV water filter systems, and more. Standard-size housings in 10” and 20” fit 2.5” slim or 4.5” BB filter cartridges, whether sediment, carbon, descaler, or whatever you need to fit your filtration needs. Explore different inlet/outlet options, such as 3/4” or 1/2” NPT. Housings are opaque, clear, single, or even in 2 or 3 housing options for both well and city water applications.

10x2.5 Housing
  • 5 Stars
  • (1)

SpiroPure 10x2.5 / 10 inch Slim Standard Water Filter Housing, 1/4" NPT

List Price: $22.96

Our Price: $18.76

Save: $4.20!
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1/4" NPT Inlet/Outlet

Standard 10" slim filter housing with 1/4" NPT inlet/outlet plus O-ring, filter wrench, and metal mounting bracket

Clear Housing
  • 5 Stars
  • (3)

SpiroPure Clear Water Filter Housing Standard 10 inch / 2.5 x 10

List Price: $25.02

Our Price: $26.49

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1/4" NPT Inlet/Outlet

Clear standard 10" slim filter housing with 1/4" NPT inlet/outlet plus O-ring, filter wrench, and metal mounting bracket

SP-FH-BL12PR

SpiroPure 10x2.5 / 10 inch Slim Standard Filter Housing, 1/2" NPT w/ PR

List Price: $32.99

Our Price: $16.97

Save: $16.02!
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1/2" NPT Inlet/Outlet and PR Button

10" slim housing with pressure relief button and 1/2" NPT inlet/outlet plus O-ring, filter wrench, and mounting bracket

SP-FH-BL12

SpiroPure 10x2.5 / 10 inch Slim Standard Water Filter Housing, 1/2" NPT

List Price: $32.99

Our Price: $26.91

Save: $6.08!
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1/2" NPT Inlet/Outlet

Standard 10" slim filter housing with 1/2" NPT inlet/outlet plus O-ring, filter wrench, and metal mounting bracket

10x4.5 Housing
  • 5 Stars
  • (2)

SpiroPure 10" Big Blue Filter Housing 10x4.5 / 10 inch / 10 BB, 1" NPT

List Price: $59.94

Our Price: $42.00

Save: $17.94!
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1" NPT Inlet/Outlet with PR Button

10" BB housing with pressure relief button and 1" NPT inlet/outlet plus double O-ring, filter wrench, and mounting bracket

SpiroPure 10x4.5
  • 5 Stars
  • (2)

SpiroPure 10" Big Blue Filter Housing 10x4.5 / 10 inch / 10 BB, 3/4" NPT

List Price: $68.99

Our Price: $42.00

Save: $26.99!
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3/4" NPT Inlet/Outlet

10" BB housing with pressure relief button and 3/4" NPT inlet/outlet plus double O-ring, filter wrench, and mounting bracket

Twin Housing
  • 5 Stars
  • (4)

SpiroPure 2 Stage Water Filter Housing Twin 10" / 10x4.5 Big Blue

List Price: $165.20

Our Price: $84.96

Save: $80.24!
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1" NPT Inlet/Outlet with PR Button

Twin 10" BB housings with pressure relief button and 1" NPT inlet/outlet plus double O-ring, filter wrench, and mounting bracket

Triple Housing

SpiroPure Triple 10" Water Filter Housing 3 Stage Big Blue Three-Housing

List Price: $233.98

Our Price: $119.37

Save: $114.61!
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1" NPT Inlet/Outlet with PR Button

Triple 10" BB housings with pressure relief button and 1" NPT inlet/outlet plus double O-ring, wrench, and mounting bracket

SP-FH-BL12PR-20

SpiroPure 20x2.5 / 20 inch Slim Standard Filter Housing w/ PR Button

List Price: $95.99

Our Price: $25.23

Save: $70.76!
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1/2" NPT Inlet/Outlet with PR Button

20" slim housing with pressure relief button and 1/2" NPT inlet/outlet plus O-ring, filter wrench, and mounting bracket

SpiroPure SP-FH-BL12-20

SpiroPure 20x2.5 / 20 inch Slim Standard Water Filter Housing

List Price: $95.99

Our Price: $38.39

Save: $57.60!
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1/2" NPT Inlet/Outlet

Standard 20" slim filter housing with 1/2" NPT inlet/outlet plus O-ring, filter wrench, and metal mounting bracket

20x4.5 Housing
  • 5 Stars
  • (5)

SpiroPure Big Blue Water Filter Housing 20 inch / 20 x 4.5 / 20" BB, 1" NPT

List Price: $89.26

Our Price: $57.99

Save: $31.27!
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1" NPT Inlet/Outlet with PR Button

20" BB housing with pressure relief button and 1" NPT inlet/outlet plus double O-ring, filter wrench, and mounting bracket

SpiroPure 20x4.5

SpiroPure Big Blue Filter Housing 20 inch / 20 x 4.5 / 20" BB, 3/4" NPT

List Price: $95.99

Our Price: $57.99

Save: $38.00!
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3/4" NPT Inlet/Outlet with PR Button

20" BB housing with pressure relief button and 3/4" NPT inlet/outlet plus double O-ring, filter wrench, and mounting bracket

Twin Housing

SpiroPure 2 Stage Water Filter Housing 4.5 x 20 Big Blue Twin Housing

List Price: $231.38

Our Price: $116.93

Save: $114.45!
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1" NPT Inlet/Outlet with PR Button

Twin 20" BB housings with pressure relief button and 1" NPT inlet/outlet plus double O-ring, filter wrench, and mounting bracket

SP-FH-X2STND10PR-20BB Filter

SpiroPure 2 Stage Water Filter #20 Twin Housings 20x4.5 with Filter Stand

List Price: $299.99

Our Price: $155.68

Save: $144.31!
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2 Housing Filter with Stand

Twin 20" BB housings with pressure relief button and 1" NPT inlet/outlet plus double O-ring, filter wrench, and filter stand

Triple Housing
  • 5 Stars
  • (5)

SpiroPure BBFS-222 Replacement Triple Water Filter Housing 4.5x20 #20 Big Blue

List Price: $314.60

Our Price: $174.16

Save: $140.44!
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1" NPT Inlet/Outlet with PR Button

Triple 20" BB housings with pressure relief button and 1" NPT inlet/outlet plus double O-ring, filter wrench, & mounting bracket

SP-FH-X3STND10PR-20BB Filter

SpiroPure 3 Stage Water Filter #20 Triple Housings 4.5x20 with Filter Stand

List Price: $399.99

Our Price: $211.14

Save: $188.85!
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3 Housing Filter with Stand

Triple 20" BB housings with pressure relief button and 1" NPT inlet/outlet plus double O-ring, filter wrench, and filter stand

150068

Pentek 150068 3/4" #10 Standard Blue Housing

List Price: $26.90

Our Price: $20.78

Save: $6.12!
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Pentek 150071

Pentek 150071 3/4" #10 Standard Clear Housing w/ PR

List Price: $34.63

Our Price: $26.52

Save: $8.11!
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166201 Housing

Pentek 166201 1" #20 Big Clear Housing w/ PR

List Price: $192.05

Our Price: $164.00

Save: $28.05!
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BBFS-22

Pentek BBFS-22 / 160166 1" #20 Big Blue Two-Housing System

List Price: $239.54

Our Price: $177.93

Save: $61.61!
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Pentek 160168

Pentek BBFS-222 / 160168 1" #20 Big Blue Three-Housing Filter System

List Price: $316.09

Our Price: $256.63

Save: $59.46!
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Culligan HD-950A Water Quality Association

Culligan HD-950A 1" Whole House Water Filter Housing

List Price: $97.49

Our Price: $64.99

Save: $32.50!
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