Acudor ADWT Airtight/Watertight Flush Access Door 18 x 18 Stainless Steel The Acudor ADWT is a flush access door that has been tested for air infiltration and water penetration. The Door and frame are fully wekded and gasketed. This access door is i deal for use in laboratories, clean rooms, ect. when an airtight/watertight seal is required. Standard in type 304 stainless steel. Acudor ADWT Airtight/Watertight Flush Access Door 18 x 18 Stainless Steel Features: • Door and Frame fully welde d • Continuous Bulb trim Gasket • Continuous stainless steel piano hinge • Air infiltration: less than 0.01 cfm/sq foot-ASTM E 283 • Water Penetration: no leakage at 15.05 psf-ASTM E 33