Vacuum System AccessoriesFlow-Through Silencers Model No.: FTS-0.750S Part Number Ain. (mm) Bin. (mm) D1G Thread D2in. (mm) D3in. (mm) Weight oz. (g) FTS-0.750S 0.59 (15) 2.95 (75) G 3/4 0.83 (21) 1.5 (38.1) 2.5 (71)