POWERTEC 70185 Threaded Quick Coupler 4 x 3

The POWERTEC 4-Inch by 3-Inch Threaded Quick Coupler quickly connects a machine’s 4-Inch ports to a 3-Inch dust collection hose. The 4-Inch I.D. end is designed to press onto a 4-Inch diameter tapered port. The opposite threaded 3-Inch end simply threads into a 3-Inch dust collection port. No hose clamps are required. 4-Inch nominal end measures 4-7/32-Inch O.D. and 3-31/32-Inch tapered I.D.