The Vacuum Tray Dryer is a commercial dryer machine that is used in the pharmaceutical industry, chemicals industry, food industry, herbs and laboratories when there is a requirement for drying materials in vacuum environments. Bionics Scientific produces vacuum tray dryers with 6, 12, 24, 36, 48 and 96 trays in stainless steel body with PID and PLC controlled operations. https://www.bionicsscientific.com/laboratory-oven/vacuum-tray-dryer.php