Introducing the 2.5 Inch Dust Port Inlet Flange by POWERTEC. This handy little dust port offers you a quick and easy solution to connecting your shop vacuum to your choice of benchtop tools, shop machines and other dust collection set-ups. Equipped with pre-bored mounting holes, this item mounts easily and securely onto most leveled surfaces. It features a tapered port that connects into 2-1/2” flexible hose and other dust collection fittings. Whether you’re a woodworking professional or DIY hobbyist, this dust port flange is an excellent addition to your dust collector system. Versatile in Applications Router table assembly Sanding station portability Connects hose onto cabinet Set up a secure connection to a planer Connects shop vac to the cover on CNC router Create a lower port from router box to router table and so much more! Dimensions Overall Size: 3.75" in diameter by 2.5" tall Opening: 2.470" O.D. and 2.300" I.D. 4 Mounting Holes: 3/16” each, spaced 2-5/16” x 2-5/16” Color: Black Material: ABS Plastic (1/8” thick)