Inquiry (采购产品): Permanent Confined Space Monitor I am looking for a permanent confined space monitor that will run in a dusty location. Detection is needed for O2, CO2, CO, H2S and LEL. If you do not supply a monitor that can be run in dusty conditions can a dust screen (less than 10 um) be purchased as an add-on. Do you have a GSA Account number **** Hidden Message ***** joseph rupp 17201 Company: Letterkenny Army Depot E-mail: joseph.rupp2@us.army.mil **** Hidden Message ***** joseph.rupp2@us.army.mil