ProductsHome / JB Solutions / Washing Machine Boxes / Twin Box / Twin Box with Drain & Arrestors Brass Valves (FR) Twin Box with Drain & Arrestors Brass Valves (FR) Twin Box with Drain & Arresters Brass Valves MIP unassembled Categories: Fire Rated Boxes, JB Solutions, Twin Box, Washing Machine Boxes Description JBSFR7574DB Technical Drawing Related products Ice Box with Valve F1960 PEX Ice Box with valve and arrester PEX Washing Machine Boxes