Vacuum System AccessoriesFlow-Through Silencers Model No.: FTS-0.125 Ain. (mm) Bin. (mm) D1G Thread D2in. (mm) D3in. (mm) Weight oz. (g) 0.22 (5.6) 1.9 (48.2) G 1/8 0.28 (7) 0.75 (19) 0.6 (17)