... to the draings 4.can supply free samples single phase filter shell1material:stainless steel,copper,iron.alumininm,copper alloy2.specification: ... machines,bending machines,welding machinies, lathes,Milling machine,Grinder,Radial drilling machine and so onMeterial:SGCC(galvanized sheet),stainless steel, copper, ... to ROHS environmental requirements electronic metal shell - single phase filter metal shell