These units all fit under the sink and offer all of the benefits of larger units without as much initial expenditure.

Under counter water filtration

Sort by: Product Price Default See details E-Treat "QT" No waste Reverse Osmosis E-Treat QT, the RO that does not waste water and is the GREENEST of all RO units. This RO uses a three step process to remove contaminates, this is the only RO unit on the market that offers -0- water waste. The E-Treat RO gives you a prefilter to remove sediments, An RO membrane tha...  Market price: $349.00 Our price: $329.00 save 6% Quantity 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 Buy Now Add to wish list See details E-Treat ETDW S38 Quick change filtration system The ideal, low cost alternative to reverse Osmosis technology. This three stage filter system with quick change twist off cartridges gives you refresing drinking water from a dedicated faucet. This unit is a viable alternative to using a reverse osmosis unit so long as the rejection of TDS for s... Our price: $189.00 Quantity 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 Buy Now Add to wish list See details Watts Reverse Osmosis with quick change Filters The kwik Change Cartridges make this RO the easiest RO ever to change filters. Nothing could be simpler or less messy. No more turning off the water and still getting wet. All it takes is a quarter turn and poof, removed and a quarter turn to install the new filter. Simple install... Our price: $349.00 Quantity 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 Buy Now Add to wish list