Extreme Environments Enclosure includes padlocking handle, lift off, lockable door. Available standard in 304SS with zinc plated internal components and EPDM replacement gasket. 316LSS models have stainless steel internal components and silicone replacement gasket. Gasket is removable, replaceable, and available for sale as a UL Listed field install kit. Gaskets are interchangeable among the Extreme Environments Enclosures of the same size.