Complete stainless steel 304 grade fabrication. Designed to prevent cross contamination and ensure clean environment. Complete with door switch & buzzer. Double walled doors with glass view panels. Perfectly calibrated interlocking system to operate the doors. Electromagnetic interlocking to ensure only one side door will be opened at a time. Provided with pre-filter, HEPA filter, blower unit & UV lamp. magnehelic differential pressure gauge provided with the pass box. working on 230V ± 10V/50 Hz single phase A.C. working area size: 60*60*60cm.