Used 90 Square Feet Stokes stainless steel vacuum shelf dryer. (15) 2’ x 3’ stainless steel shelves. Rated 50 psi/full vacuum @ 650 F. Steam heat. MODEL 438F15, S/N 73639. Includes Nash vacuum pump, Model AHF50skid, 3HP-208/3/60 on SS skid and heat transfer unit, Fisher Control Valve and Ex-Proof controls.