Allied Witan M07 Air Exhaust Muffler replacement has a 3/4" NPT male pipe thread. 7" overall length Approxiamately 3.5" diameter

The ALWITCO M07 muffler exhausts air gently to the atmosphere reducing noise and contamination to maintain a clean and healthy manufacturing plant. These exhaust mufflers reduce over 80% perceived noise, provide over 90% flow factor.