Under Sink Water Filter Systems

Under sink water filters remove contaminants from water like a reverse osmosis (RO) systems but leave in minerals like calcium and fluoride. Under sink filters are easier to maintain, have a higher flow rate & water pressure than RO systems, and unlike RO systems, they produce no waste water.

H2O Filter Warehouse 1/4" Housing Assemblies w/Faucet (Cartridges Sold Separately)

Click here to view all products by this manufacturer.
Single Stage Under Sink System w/ Faucet, 1/4" Tubing & Ball Valve (No Cartridge)
Single Stage Under Sink System w/ Faucet, 1/4" Tubing & Ball Valve (No Cartridge)
$35.00
QTY:
Add to Cart
Dual Stage Under Sink System w/ Faucet, 1/4" Tubing & Ball Valve (No Cartridges)
Dual Stage Under Sink System w/ Faucet, 1/4" Tubing & Ball Valve (No Cartridges)
$55.00
QTY:
Add to Cart
Triple Stage Under Sink System w/ Faucet, 1/4" Tubing & Ball Valve (No Cartridges)
Triple Stage Under Sink System w/ Faucet, 1/4" Tubing & Ball Valve (No Cartridges)
$75.00
QTY:
Add to Cart

H2O Filter Warehouse 3/8" Housing Assemblies w/o Faucet (Cartridges & Faucet Sold Separately)

Click here to view all products by this manufacturer.
Single Stage Under Sink System w/ 3/8" Tubing & Ball Valve (No Cartridge or Faucet)
Single Stage Under Sink System w/ 3/8" Tubing & Ball Valve (No Cartridge or Faucet)
$30.00
QTY:
Add to Cart
Dual Stage Under Sink System w/ 3/8" Tubing & Ball Valve (No Cartridges or Faucet)
Dual Stage Under Sink System w/ 3/8" Tubing & Ball Valve (No Cartridges or Faucet)
$50.00
QTY:
Add to Cart
Triple Stage Under Sink System w/ 3/8" Tubing & Ball Valve (No Cartridges or Faucet)
Triple Stage Under Sink System w/ 3/8" Tubing & Ball Valve (No Cartridges or Faucet)
$70.00
QTY:
Add to Cart

H2O Filter Warehouse 1/4" Housing Assemblies w/o Faucet (Cartridges & Faucet Sold Separately)

Click here to view all products by this manufacturer.
Single Stage Under Sink System w/ 1/4" Tubing & Ball Valve (No Cartridge or Faucet)
Single Stage Under Sink System w/ 1/4" Tubing & Ball Valve (No Cartridge or Faucet)
$25.00
QTY:
Add to Cart
Dual Stage Under Sink System w/ 1/4" Tubing & Ball Valve (No Cartridges or Faucet)
Dual Stage Under Sink System w/ 1/4" Tubing & Ball Valve (No Cartridges or Faucet)
$45.00
QTY:
Add to Cart
Triple Stage Under Sink System w/ 1/4" Tubing & Ball Valve (No Cartridges or Faucet)
Triple Stage Under Sink System w/ 1/4" Tubing & Ball Valve (No Cartridges or Faucet)
$65.00
QTY:
Add to Cart

H2O Filter Warehouse Replaceable Under Sink Filters

Click here to view all products by this manufacturer.
Single Housing Under Sink Filter w/ Pentek® CBR2-10R Cartridge
Single Housing Under Sink Filter w/ Pentek® CBR2-10R Cartridge
$59.00
QTY:
Add to Cart
Inline Single Housing Under Sink Filter w/ Pentek® CBR2-10 Cartridge
Inline Single Housing Under Sink Filter w/ Pentek® CBR2-10 Cartridge
$59.00
QTY:
Add to Cart
Twin Housing Under Sink Filter w/ Pentek® CBR2-10R & KDF/GAC cartridges
Twin Housing Under Sink Filter w/ Pentek® CBR2-10R & KDF/GAC cartridges
$99.00
QTY:
Add to Cart
Inline Twin Housing Under Sink Filter w/ Pentek® CBR2-10 & KDF/GAC cartridges
Inline Twin Housing Under Sink Filter w/ Pentek® CBR2-10 & KDF/GAC cartridges
$99.00
QTY:
Add to Cart
Triple Housing Under Sink Filter w/ Pentek® CBR2-10R , KDF/GAC & LF-PP-005-249
Triple Housing Under Sink Filter w/ Pentek® CBR2-10R , KDF/GAC & LF-PP-005-249
$119.00
QTY:
Add to Cart

H2O International® Sealed Under Sink Filters

Click here to view all products by this manufacturer.
H<small><sub>2</sub></small>O International® 5-Stage Inline Under Sink Water Filter
Made in the United States H2O International® 5-Stage Inline Under Sink Water Filter
$149.00
QTY:
Add to Cart
H<small><sub>2</sub></small>O International® 5-Stage Under Sink Water Filter (with Faucet)
Made in the United States H2O International® 5-Stage Under Sink Water Filter (with Faucet)
$169.00
QTY:
Add to Cart
H<small><sub>2</sub></small>O International® 5-Stage Under Sink Water Filter <br />(Replacment for NSA 100S & 100SX) w/ 3/8" Quick-Connect Fittings
Made in the United States H2O International® 5-Stage Under Sink Water Filter
(Replacment for NSA 100S & 100SX) w/ 3/8" Quick-Connect Fittings
$199.00
QTY:
Add to Cart
H<small><sub>2</sub></small>O International® 5-Stage Under Sink Water Filter <br />(Replacment for NSA 100S & 100SX) w/ 3/8" Compression Fittings
Made in the United States H2O International® 5-Stage Under Sink Water Filter
(Replacment for NSA 100S & 100SX) w/ 3/8" Compression Fittings
$199.00
QTY:
Add to Cart
H<small><sub>2</sub></small>O International® Deluxe Inline Under Sink Water Filter<br />w/ 3/8" Quick-Connect Fittings
Made in the United States H2O International® Deluxe Inline Under Sink Water Filter
w/ 3/8" Quick-Connect Fittings
$199.00
QTY:
Add to Cart
H<small><sub>2</sub></small>O International® Deluxe Inline Under Sink Water Filter<br />w/ 3/8" Compression Fittings
Made in the United States H2O International® Deluxe Inline Under Sink Water Filter
w/ 3/8" Compression Fittings
$199.00
QTY:
Add to Cart
H<small><sub>2</sub></small>O International® Deluxe Under Sink Water Filter (with Faucet)
Made in the United States H2O International® Deluxe Under Sink Water Filter (with Faucet)
$219.00
QTY:
Add to Cart
H<small><sub>2</sub></small>O International® Deluxe Under Sink Water Filter <br />w/ Pentek® CBR2-10R Cartridge
Made in the United States H2O International® Deluxe Under Sink Water Filter
w/ Pentek® CBR2-10R Cartridge
$259.00
QTY:
Add to Cart

CA Ware® Under Sink Filters

Click here to view all products by this manufacturer.
CA Ware® MAF-13-EP Residential Drinking Water System w/ Bacteria & Lead Removal
CA Ware® MAF-13-EP Residential Drinking Water System w/ Bacteria & Lead Removal
 $149.00
$129.00
Add to Cart

Pentek® Ultrafiltration Under Sink Systems

Click here to view all products by this manufacturer.
Pentek® Microguard™ Hollow Fiber Membrane Under Sink System <br/>w/ 1/2" Ports & MCB Carbon Block Cartridge
NSF® Certified Pentek® Microguard™ Hollow Fiber Membrane Under Sink System
w/ 1/2" Ports & MCB Carbon Block Cartridge
$129.00
QTY:
Add to Cart
Pentek® Microguard™ Hollow Fiber Membrane Under Sink System <br/>w/ 3/4" Ports & MCB Carbon Block Cartridge
NSF® Certified Pentek® Microguard™ Hollow Fiber Membrane Under Sink System
w/ 3/4" Ports & MCB Carbon Block Cartridge
$139.00
QTY:
Add to Cart

Pentek® Quick Change Systems

Click here to view all products by this manufacturer.
Pentek® Quick Change System, 0.5 Micron Carbon Block w/ Lead & Cysts Reduction
NSF® Certified Pentek® Quick Change System, 0.5 Micron Carbon Block w/ Lead & Cysts Reduction
 $39.00
$37.05
Add to Cart
Pentek® Quick Change System, 1 Micron Carbon Block
NSF® Certified Pentek® Quick Change System, 1 Micron Carbon Block
 $39.00
$37.05
Add to Cart
Pentek® Quick Change Replacement Carbon Block Cartridge w/ Lead & Cysts Reduction
NSF® Certified Pentek® Quick Change Replacement Carbon Block Cartridge w/ Lead & Cysts Reduction
QTY:
Click model #
for more info
Pentek® Quick Change Replacement 1 Micron Carbon Block Cartridge
NSF® Certified Pentek® Quick Change Replacement 1 Micron Carbon Block Cartridge
QTY:
Add to Cart

Doulton® HIP Under Sink Systems

Click here to view all products by this manufacturer.
Doulton® Under Sink System w/ Faucet & 10" Sterasyl Candle
NSF® Certified Doulton® Under Sink System w/ Faucet & 10" Sterasyl Candle
$159.00
QTY:
Add to Cart
Doulton® Under Sink System w/ Faucet & 10" SuperCarb Candle
NSF® Certified Doulton® Under Sink System w/ Faucet & 10" SuperCarb Candle
$169.00
QTY:
Add to Cart
Doulton® Under Sink System w/ Faucet & 10" UltraCarb Candle
NSF® Certified Doulton® Under Sink System w/ Faucet & 10" UltraCarb Candle
$179.00
QTY:
Add to Cart


Click Here for These Under Sink Systems by Everpure:
Everpure®
Click here to view under sink filters manufactured by Everpure
Click Here for These Other Related Products:
Click here for our Reverse Osmosis Systems
Click here for our Sterilight® and Safe Water Technologies UV Systems