Used Alloy Fab Vacuum Shelf Dryer, 133.3 sq ft shelf area, stainless steel construction, with (10) 48" x 40" shelves, 4" shelf spacing, rated 15 PSI and full vacuum @ 300 degrees F, jacketed for 50 PSI @ 300 degrees F, with (3) 5.5" sight glasses, Serial No. 553-2.