Standard Features• 5 standard sizes available• Flat plate cover design• Corrosion resistant, cast stainless steel 316L• Stainless steel hinge kit• Pre-drilled for mounting panel (mounting panel optional)• Type 4 watertight gasket• Stainless steel cover bolts• Internal / external grounding screws• Removable lifting ete bolts• Lid-lifter cover alignment device• Cast-on mounting lugs / feet• Rated for Division 1 and Zone 1 hazardous areas Design Options• Stainless steel cover bolts for Type 4X additional corrosion protection• Conduit (NPT & metric) and device (NPSM) drilling and tapping• Auxiliary devices such as breather / drains and flame arrestors• Custom machining - milling, counter-boring, spot-facing, blind drilled holes, entries, and chamfers• Round or square windows• Operating devices: pushbuttons, pilot lights, selector switches Material• Enclosure - stainless steel 316L• Cover bolts - stainless steel 316L•  Hinge kit - stainless steel 316L