This is a Applied Membrane Reverse Osmosis Unit. Runs on 230 volt, has a baldor 2.5 hp motor. Unit has 3 4"x40" membranes. It has a 20" pre-filter attached, two 75 gallon wash tanks go with it. I also have some prefilters and some cleaning chemicals I can send with it. This model will run 200 gallon a hour!! Unit works like it should.Text if you have any other questions.for one 9 three six 0 3two sixtwo. asking $3900 obo/open to trades