Double vertical stainless steel tanks, each holds approximately 13 US Gallons. 7" Horizontal stainless manifold; 1 - 1"; 4 - 3/4" barbs for Wet/Sap line; 1 - 1" barb Dry/Vacuum line. Internal float-actuated, electric piston driven vacuum separator. 120 VAC. 1" barb for primary vacuum Used 4 years I have 2 *.mov files showing the releaser in action. (15MB ea.) I can share with you.