... Element 1.1-100 microns 2.Stainless steel,Copper, titanium 4.Powder mesh sintered 3.OEM SIntered copper filters elements 1. High quality ... , muffler BSLM, muffler exhaust throttle BESL, muffler exhaust throttle BESLD, copper / stainless steel sintered ( filter, cartridge, filter tube, filter, filter), porous ...