• 5 stage filtration and purification system
  • Hooks up to separate chromed long reach faucet (included)
  • Available In-line for hook up to sink faucet
  • Safe, secure, dependable threaded compression fittings
  • Bacteriostatic media: Prevents bacteria growth
  • Improves taste, eliminates odors, removes color
  • Removes hundreds of contaminants
  • For use on treated potable water only
  • Expected Max. Capacity: 35,000 gallons
  • Manufacturer's prorated warranty 
  • Installs out of sight under the sink.

 




"We made the switch from the NSA under-sink to your US4 and
are happy to report that we love it. We loved our NSA filter
while it lasted, but yours is waaaay better."
-- Molly Keene, WV
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Home drinking water system. ESD offers home drinking water systems that fit any budget.
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Regular $239.00
On Sale NOW!

US4

With complete installation kit: saddle valve, fittings, chromed gooseneck faucet, neoprene water lines.
Qty:  at only $225.00

US4-IL

With "union kit" (no chromed gooseneck faucet or saddle valve) and neoprene lines, for In-Line connection to kitchen sink faucet.
Qty:  at only $213.00

US4-R

Replacement filter only. No accessories, water line or hardware included.
Qty:  at only $205.00
 

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Water Treatment Consultation

1-304-721-8380


Or Order by Phone
LOWER 48 USA
ORDERS ONLY
TOLL FREE

1-877-930-5525
Weekdays 8am - 6pm Eastern
The Solution to Water Pollution: Our systems contain a patented media, KDF® (U.S. Patent 4,642,192), which has been tested to drastically reduce or effectively remove: Chlorine, Lead, Arsenic, Barium, Cadmium, Chromium, Selenium, Mercury, Iron and other metals that may be present in the water.  KDF® is listed under NSF standard 61 (health effects) for water treatment plant applications.

The Coconut Shell Granular Activated Carbon is used to improve the taste and odor and to remove: Chlorine, THMs, PCBs and hundreds of other organic contaminants that may be present in the water.

Expected Max. Capacity: Up to 35,000 gal. 132,475 lts.
Recomm. Flow: 1  to 2 gpm.  3.8 to 7.6 lts./min.
Height: 16.5"   . 41.9 cm. 
Width: 5"Dia 12.7cm.
Shipping Wt.: 11 lbs.  5 Kgs.

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