ProductsHome / JB Solutions / Washing Machine Boxes / Twin Box / Twin Box & Drain Fire Rated EP Valves F1960, assembled Twin Box & Drain Fire Rated EP Valves F1960, assembled Twin Box Box & Drain Fire Rated EP Valves F1960, assembled Categories: Fire Rated Boxes, JB Solutions, Twin Box, Washing Machine Boxes Description JBSFR2272DB Technical Drawing