1,Air dryer muffler 2,air exhaust muffler 3,used muffler exhaust 4,exhaust muffler tips 5,exhaust system and muffler 3,Same as ALWITCO of USAThis muffler is used at exhaust port , especially designed for AODDP.1,the connection of our XY series muffler can be made for NPT type or BSPT type.2.techinical date:S/NDESCRIBEPART NO.THREADODHEIGHTMATERIAL1MUFFLERXY-033/8′-18NPTF41.5mm72.1mmBLACK PP ...