Removes up to 99% of all contaminants: Fluoride, Chlorine, Heavy Metals & others Transforms ordinary tap water into pure, healthy, and delicious drinking water AlcaPure Edition for Alkaline pH or OnliPure Edition for ZERO TDS NSF/ANSI 58 Certified Reverse Osmosis Membrane Comes with 1 Year Warranty Delicious Purity AlcaPure Post-Filter has a small amount of Calcium and Magnesium Minerals returned back to purified water to give you a taste comparable to your favorite bottled water: Alkaline 7-8pH, with beneficial minerals added.-OR-OnliPure Post-Filter brings the TDS reading to zero. Zero TDS or Total Dissolved Solids is perfect for people who want Absolute Purity. Efficient Filtration 75-Gallon Per Day Reverse Osmosis Membrane delivers 50% faster pure water production compared to most other undersink reverse osmosis water filters. Sanitary Filter Replacements Are now quick and easy with a twist-on and-off mechanism that eliminates leaky O-rings.   Non-Electric Operation The pump-less operation makes the filtration process the quietest in the market without using any electricity.This light weight system can be mounted under the sink or secured in place with velcro. Space Saving Design Undersink space is in very high demand, and your undersink water filter should not be taking up most of it.Flash R.O. system's slim design and the small tank will allow for more storage space.DIMENSIONS:Flash R.O. Dimensions - W 5.5", L 14", H 16"R.O. Tank Dimensions - W 11", L 11", H 14.5"R.O. Tank can be placed vertically or horizontally Chrome Lead-Free Faucet Chrome Gooseneck Leadfree faucet with easy-to-use bat-style handle makes filling up drinking glasses and whole pitchers effortless.       What are total dissolved solids or TDS? Total Dissolved Solids Or TDS is a measure of the dissolved combined content of all inorganic and organic substances present in a liquid. TDS is sometimes referred to as parts per million (ppm). You can test water quality levels using a digital TDS meter. Primary sources for TDS in Receiving Waterare agricultural & urban runoff, clay-rich mountain waters, leaching of soil contamination, & point source water pollution discharge from industrial or sewage treatment plants   DON'T HAVE A TDS METER? GET ONE FOR FREE. TDS meters measure your water quality using PPM, or parts per million, to give you your water’s “purity score.” Because we want you to be aware of your water quality, we would like to offer you a FREE TDS meter with a Flash Water System purchase. Get this TDS meter and find out how your water measures up using the chart above.   What`s in the box? Reverse Osmosis System with Filters Lead-Free Faucet 3.2 Gallon Storage Tank 1.5" Drain Pipe Saddle Tank Shut-Off Valve Faucet Adapter ¼" Tee for Refrigerator Connection ¼" and ⅜" Tubing ⅜" Comp or ½" NPT Diverter Valve Installation and Product Manual   Flash Reverse Osmosis Filter Installation