Pass thru, is 304-#4 Stainless Steel construction and acrylic doors and with stainless steel hinges. Custom sizes, optional interlock system, 304 #4 finish, 316L, Fire rated doors or electropolished stainless steel are all available upon request

Also known as a pass thru or pass through communicator, package transfer unit, cleanroom pass-throughs, pass-through air locks, chambers or transfer hatches.