... electronic digital control, slide-out 16''x20'' heat platen, automatic air operated Pneumatic Draw Out Heat Press Machine - APD-20The advanced ... It is built with a long lasting pneumatic air cylinder lift system, a stronger air valve for faster clamping, and bushings at hinge ... and then reverse it, to press the other side. Air Compressor is Required CE Approved Specifications:16''x20'' Teflon Coated ...