Metal Mufflers, Breathers and silencers are used for both muffling sound outward or filtering air or fluid inward . We offer brass, aluminum and stainless steel options as well as many different sizes. We have the perfect part for any application, with our PPS Series offering a bronze element that can handle up to 9000 psi, all the way to our AHF Series which can handle up to 300˚  F.