Inquiry (采购产品): explosion proof lights 1x4 class one division one 2 tube or 4 tube electronic ballast 120 volt must be able to recess in concrete and to change bulbs from the front these are to be installed in grease pit please let me know as soon as possible **** Hidden Message ***** karen barker 45103 Company: Barker Electric LLC E-mail: karenbarker@fuse.net **** Hidden Message ***** karenbarker@fuse.net