... ,coppercompleteHENGKO Technology Co., Ltd. Sintered filter cartridge: stainless steel sintered filter, sintered bronze filter, multi-layer stainless steel sintered mesh, sintered filter, filter powder metallurgy, ... throttle BESLD, copper / stainless steel sintered ( filter, cartridge, filter tube, filter, filter), porous sintered filter material.Product DescriptionPSL can reduce drive noise from ...