The 100% duty-cycle compressor is rated at 150 PSI and includes a snorkel air intake system with filter to locate the air intake up and away from dirt, water and debris insuring years of trouble free service Regardless of the terrain or river crossings, this air compressor is ready to take on the elements First fully submersible 12 volt automotive air compressor on the market 21 Amp max draw, dimensions: 9.25öL x 4öW x 6.50öH. AIR COMP 150PSI/100%