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Standard Undersink ~ Standard Undersink w/10" Pre-filter ~ Deluxe Undersink
Replaceable Cartridge Undersink ~ Replaceable Cartridge Undersink w/ Pre-Filter
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Shop with CONFIDENCE at ESD ~ Your Abundantly Secure Order Gets Personal Attention Standard Undersink w/ 10" Nitrate Removal Pre-filter  Nitrate reduction cartridge included H2O-US4NR  Same as US4 with additional 10" nitrate-reducing pre-filter  Nitrates are removed by specialized replaceable cartridge  Available In-Line for direct hook up to sink faucet Nitrate cartridge is good for approximately 5,000 gallons.   DO THE MATH!  --  You may have noticed that our Nitrogen reduction system costs a bit more than what you may have seen in comparison shopping at our competitors. But does it REALLY cost more? Have a look at what the Nitrogen recuction replaceable cartridge type filter is paired up with. Most competitor systems couple the Nitrogen recudction filter with another replaceable cartridge type filter. Even if that replaceable cartridge is a GAC-KDF (vastly superior to an all-GAC filter), it can only be rated for 12,000 gallons of service life -- about ONE THIRD the service life of the US4 filter (35,000 gallons) we pair up with the Nitrogen filter. And we checked our competitors for the lowest price on replacement GAC-KDF filter cartridges and found that WE actually sell them for less than anyone else we could find -- $41.25. So, in order to get the service equivalent of one of our US4 filters (at $185 for the filter) you'd need to buy two more GAC-KDF replacement carts for $41.25 x 2 = $82.50. Add that $82.50 to the original cost of the competitor's Nitrogen/GAC-KDF combo filter and see for yourself which is the most economical. If you've already done that math, you know you're already in the right place, for the best deal, right here.

PLACE YOUR ORDER FREE SHIPPING! Applies to Lower 48 USA Orders Only ORDER ONLINE WITH CONFIDENCE AT ESD It's Safe, Secure and it's EASY! Qty:  at only $259.00 ea. Qty:  Extra Nitrate Carts at $43.95 ea. Qty:  6-Pack Nitrate Carts for $220.00       (Buy 5 get 1 FREE!). Or Call for a FREE 15 min. Water Treatment Consultation Or to Order by Phone 1-217-348-7995 Weekdays Noon to 7pm Central

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.