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Filter Housings for 20" x 4-1/2" Cartridges

20" Big Blue Plastic Water Filter Housing

Water Filter Housings & Maintenance

Water filter housings are used mainly on reverse osmosis systems and under sink systems to hold the cartridges in place.

We also have step by step instructions on installing replacement cartridges and sanitizing filter housings. It is highly recommended that you clean and sanitize your system once a year.

Other Housing Sizes

10" Heavy Duty 20" Heavy Duty 5" Standard 10" Standard 20" Standard 10" Big Blue High Temperature


YTB 20" Full Flow Housings

h2o-filter-warehouse logo
Full-Flow/Big Blue Size Clear Housing for 20" x 4-1/2" Cartridges - 3/4" Ports
Full-Flow/Big Blue Size Clear Housing for 20" x 4-1/2" Cartridges - 3/4" Ports
QTY:
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for more info
Full-Flow/Big Blue Size Clear Housing for 20" x 4-1/2" Cartridges - 1" Ports
Full-Flow/Big Blue Size Clear Housing for 20" x 4-1/2" Cartridges - 1" Ports
QTY:
Click model #
for more info
Full-Flow/Big Blue Size Clear Housing for 20" x 4-1/2" Cartridges - 1.5" Ports
Full-Flow/Big Blue Size Clear Housing for 20" x 4-1/2" Cartridges - 1.5" Ports
QTY:
Click model #
for more info
Full-Flow/Big Blue Size Blue Housing for 20" x 4-1/2" Cartridges - 3/4" Ports
Full-Flow/Big Blue Size Blue Housing for 20" x 4-1/2" Cartridges - 3/4" Ports
QTY:
Add to Cart
Full-Flow/Big Blue Size Blue Housing for 20" x 4-1/2" Cartridges - 1" Ports
Full-Flow/Big Blue Size Blue Housing for 20" x 4-1/2" Cartridges - 1" Ports
QTY:
Click model #
for more info

KemFlo 20" Full Flow Housings

h2o-filter-warehouse logo
Full-Flow Filter Housing for 20" x 4-1/2" Cartridges - 3/4" Ports
Full-Flow Filter Housing for 20" x 4-1/2" Cartridges - 3/4" Ports
QTY:
Add to Cart
Full-Flow Filter Housing for 20" x 4-1/2" Cartridges - 1" Ports
Full-Flow Filter Housing for 20" x 4-1/2" Cartridges - 1" Ports
QTY:
Add to Cart
Full-Flow Filter Housing for 20" x 4-1/2" Cartridges - 1.5" Ports
Full-Flow Filter Housing for 20" x 4-1/2" Cartridges - 1.5" Ports
QTY:
Add to Cart
Full-Flow Filter Housing for 20" x 4-1/2" Cartridges - 1.5" Ports
Full-Flow Filter Housing for 20" x 4-1/2" Cartridges - 1.5" Ports
QTY:
Add to Cart

Pentek 20" Big Blue Filter Housings

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Pentek® 20" Big Blue Filter Housing with 3/4" Ports and Pressure Release
NSF® Certified Pentek® 20" Big Blue Filter Housing with 3/4" Ports and Pressure Release
QTY:
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Pentek® 20" Big Blue Filter Housing with 1" Ports
NSF® Certified Pentek® 20" Big Blue Filter Housing with 1" Ports
QTY:
Add to Cart
Pentek® 20" Big Blue Filter Housing with 1" Ports and Pressure Release
NSF® Certified Pentek® 20" Big Blue Filter Housing with 1" Ports and Pressure Release
QTY:
Add to Cart
Pentek® 20" Big Blue Filter Housing with 1-1/2" Ports and Pressure Release
NSF® Certified Pentek® 20" Big Blue Filter Housing with 1-1/2" Ports and Pressure Release
QTY:
Add to Cart
Pentek® 20" Big Blue Filter Housing with 1-1/2" Ports
NSF® Certified Pentek® 20" Big Blue Filter Housing with 1-1/2" Ports
QTY:
Add to Cart


Click Here for These Other Related Products:
Click here for our Stainless Steel Commercial Filter Housings by H2O Distributors
Click here for our Whole House Water Filters by H2O Distributors
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Click here for our Whole House Water Softeners by H2O Distributors and Safe Water Technologies
Click here for our Sterilight® and Safe Water Technologies UV Systems