The Apollo® lead free* YB-LF (59LF) Series heavy pattern strainers are designed with large area screens to protect piping systems and process equipment from unwanted foreign particles with minimum pressure loss. Lead free*100% factory pressure tested. Removable self-aligning screen design. Numerous mesh and blow-off options including blow-off ball valves. ARRA compliant. 100% cast, machined and assembled in the USA.