QUS250CO ULTRA STACK BIN , 16-1/2"W X 14-3/4"D X 7"H - QUS250CO CONDUCTIVE PLASTIC BIN PROTECT ELECTRONIC COMPONENTS FROM STATIC ELECTRICITY AND ELECTROMAGNETIC INTERFERENCE (EMI) WITH CARBON FILLED COPOLYMER POLYPROPYLENE CONSTRUCTION. CHEMICAL, OIL AND GREASE RESISTANT. TESTED TO MEET MIL SPEC MIL-B-81075B. SURFACE RESISTIVITY LESS THAN 105OHMS/SQ. WHEN TESTED PER ASTM D257.