Undersink Water Filter Systems

View other types of water treatment systems by selecting from this menu
Countertop Filters ~ Appliance Filters ~ Whole House Systems ~ Shower Filters ~ Softeners



Our Undersink POU (Point Of Use) Systems at a Glance
Click on the Model Number to jump down to a description of the unit
Model
Dimensions
Capacity
Features
Price
US4
4" Dia. x 15.5" H
35,000 gal.
Our most popular undersink filter
$208.00
US413
4" Dia. x 13" H
25,000 gal.
Replacement for the NSA 100S "Time Bomb"
$195.00
US4S
4" Dia. x 15.5" H
35,000 gal.
With 10" sediment pre-filter
$248.00
US4FL
4" Dia. x 15.5" H
35,000 gal.
With 10" Fluoride Reducing pre-filter
$248.00
US4NR
4" Dia. x 15.5" H
35,000 gal.
With 10" Nitrate Reducing pre-filter
$248.00
US4AR
4" Dia. x 15.5" H
35,000 gal.
With 10" Arsenic Reducing pre-filter
$283.00
US3
3" Dia. x 15.5" H
25,000 gal.
Space-saver undersink filter
$166.00
RUS
3.5" Dia. x 11" H
5,000 gal.
Replaceable cartridge type filter
$146.00
RUSD
10" Dia. x 11" H
5,000 gal.
Replaceable cart type w/10" sediment pre-filter
$199.00
RC
2.75" Dia. x 11.5" H
3,000 gal.
Appliance or Ice-maker in-line filter.
$72.00
FMRO4G
13.5" Dia. x 17" H
50 GPD
4-Stage Reverse Osmosis System
$408.00
All units except US413 are for new installations.
New installation models include saddle valve, neoprene water lines, gooseneck faucet kit, installation instructions.
NOTE: These systems are designed to work on treated "tap" water. Not recommended for use on water that is untreated or from biologically unsafe water supplies.


Deluxe Undersink Water Filter
H2O-US4

Most popular and best buy undersink water filter on the market!
Click on the pic to read full details about this filter.
$208.00 w/ FREE Shipping to Lower 48 USA
[Back up]


  
   
SPECIALTY FILTER
H2O-US413

Specially designed to replace the antiquated NSA 100S
Click on the pic to read full details about this filter.
$195.00 w/ FREE Shipping to Lower 48 USA
Loss Leader Sale ONLY $179.00 and still with FREE SHIPPING!
[Back up]


Deluxe Undersink w/ 10" Pre-filter
H2O-US4S

1 micron (nominal) sediment cartridge included
Click on the pic to read full details about this filter.
$248.00 w/ FREE Shipping to Lower 48 USA
[Back up]


Deluxe Undersink w/ 10" Fluoride Reducing Pre-filter
H2O-US4FL

Activated Alumina cartridge included
Click on the pic to read full details about this filter.
$248.00 w/ FREE Shipping to Lower 48 USA
[Back up]


Deluxe Undersink w/ 10" Nitrate Reducing Pre-filter
H2O-US4NR

Nitrate reduction cartridge included
Click on the pic to read full details about this filter.
$248.00 w/ FREE Shipping to Lower 48 USA
[Back up]


Deluxe Undersink w/ 10" Arsenic Reducing Pre-filter
H2O-US4AR

Two Arsenic reduction cartridges included
Click on the pic to read full details about this filter.
$283.00 w/ FREE Shipping to Lower 48 USA
[Back up]


Standard Space-Saver Undersink Water Filter
H2O-US3

Space saver economy model
Click on the pic to read full details about this filter.
$166.00 w/ FREE Shipping to Lower 48 USA
[Back up]


Replaceable Cartridge Undersink Water Filter
H2O-RUS

Easy cartridge replacement. Standard GAC/KDF cartridge
Click on the pic to read full details about this filter.
$146.00 w/ FREE Shipping to Lower 48 USA
[Back up]


Replaceable Cartridge Undersink Water Filter w/ Sediment Pre-filter
H2O-RUSD

Click on the pic to read full details about this filter.
$199.00 w/ FREE Shipping to Lower 48 USA
[Back up]


         Appliance and Icemaker in-line water filter
H2O-RC

Click on the pic to read full details about this filter.
$72.00 w/ FREE Shipping to Lower 48 USA
[Back up]


50 GPD Undersink Reverse Osmosis (RO) System
FMRO4G

Click on the pic to read full details about this system.
$408.00 w/ FREE Shipping to Lower 48 USA
[Back up]


Typical Cross Section of a Undersink Water Filter

Home ~ Products