Drinking Water Filters : Water Softeners & Filters

Drinking Water

Shop our full line of drinking water filtration systems. From sediment filters and housings to reverse osmosis and UV purifiers, WSF has the largest selection of drinking water purification supplies anywhere. We believe that your family deserves the best water possible, so we provide the finest drinking water filtration available. Have a question about drinking water filtration? Ask our experts!

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1/2in. I/O, #10 Slim Line Blue Housing/Black Cap with Pressure Relief

$23.97

Housing Length: 10"
NPT I/O: 1/2"

Available:
With or Without Relief Valve Learn More

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Big Blue #10 Filter Housing w/ Pressure Relief 3/4" I/O

Regular Price: $56.09

Special Price: $41.51

Genuine #10 Big Blue HFPP filter housing. 3/4" inlet/outlet. Pressure relief button. Takes 4.5" diameter filters.

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Big Blue #10 Filter Housing w/ Pressure Relief 1" I/O

Regular Price: $56.09

Special Price: $41.51

Genuine Pentek #10 Big Blue HFPP filter housing. 1" inlet/outlet. Pressure relief button. Takes 4.5" diameter filters.

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Big Blue #20 Filter Housing w/ Pressure Relief 1" I/O

Regular Price: $80.60

Special Price: $59.64

Genuine Pentek #20 Big Blue HFPP filter housing. 1" inlet/outlet. Pressure relief button. Takes 4.5" diameter filters.

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Big Blue #10 Filter Housing w/ Pressure Relief 1.5" I/O

Regular Price: $59.99

Special Price: $48.10

Genuine Pentek #10 Big Blue HFPP filter housing. 1.5" inlet/outlet. Pressure relief button. Takes 4.5" diameter filters.

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Big Blue #20 Filter Housing w/ Pressure Relief 1.5" I/O

Regular Price: $82.20

Special Price: $60.83

Genuine Pentek #20 Big Blue HFPP filter housing. 1.5" inlet/outlet. Pressure relief button. Takes 4.5" diameter filters.

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Big Blue Pre-filter Package - Filter Housing, Wrench and 2 Sediment Filters.

#10 Pentek Big Blue Pre-Filter Package

From: $63.99

To: $119.90

Demand the best! Genuine Big Blue filter package by Pentek for the highest quality, reliability and durability. Everything you need in one easy package, all for a great price.
Package Includes:
*One Big Blue #10 Housing
* (2) Big Blue #10 Sediment Filters
* Filter Wrench Learn More

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Big Blue #20 Pre-Filter Package : #20 Big Blue Housing, Filter Wrench and 2 Sediment Filters

#20 Pentek Big Blue Pre-Filter Package

From: $35.96

To: $130.91

The Biggest Big Blue of All! This package includes #20 Pentek Big Blue housing, replacement cartridges and a filter wrench. Everything you need in one easy package, for one low price!
Package Includes:
* One Big Blue #20 Housing
* (2) Big Blue #20 Replacement Filter Cartridges
* Filter Wrench
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Big Blue Filter Package - 2 Carbon Filters, Big Blue Housing and Filter Wrench

#10 Pentek Big Blue Post-Filter Package

From: $80.14

To: $149.41

Our Best Selling Big Blue post-filter package includes only genuine Pentek Big Blue products. Accept no imitations, go with the original Big Blue from Pentek.
Package Includes:
* One Big Blue #10 Housing
* (2) Big Blue #10 Carbon Filter Cartridges
* Filter Wrench for Big Blue #10 Housing Learn More

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Big Blue Post-Filter Package : #20 Filter Housing, Wrench and 2 carbon filter cartridges

#20 Pentek Big Blue Post-Filter Package

From: $5.58

To: $216.52

Our Biggest Big Blue Post-Filter Package. Use as a final treatment step to provide clean, pure water for your entire water supply. Genuine Pentek Big Blue products.
Package Includes:
* One Big Blue #20 Housing
* (2) Big Blue Taste & Odor Filter Cartridges
* Filter Wrench for Big Blue #20 Housing Learn More

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