Vacuum System Accessories Compact Plastic Exhaust Mufflers Model No.: JMU25 Part Number A Thread G B Body Length in. (mm) C Overall Width in. (mm) D Thread Length in. (mm) E Overall Length in. (mm) CH Hex in. (mm) Decibel Rating Weight oz. (g) Used with Generator # JMU25 G 1/2″ 2.90 (74) 1.25 (32) 0.50 (13) 3.40 (86) 1.57 (40) N/A N/A N/A