... , cylindrical clavite, HousingMin.Order: 500pieces Materialspecificationsstainless steel ,coppercompleteHENGKO Technology Co., Ltd. Sintered filter cartridge: stainless steel sintered filter, sintered bronze filter, ... throttle BESLD, copper / stainless steel sintered ( filter, cartridge, filter tube, filter, filter), porous sintered filter material.Product DescriptionPSL can reduce drive noise from ...