Introducing the 2-1/2" OD Universal Dust Port by POWERTEC. This dust collection port is intended to provide you with a secure and reliable means of connecting woodworking and shop machines to your dust collection set-ups. This 2.5" OD dust port adapter allows a 2.5" ID fit, making a perfect connection hoses and fittings. The port features an angled design, delivering universal compatibility with many of your shop vacs and workshop applications. It's designed with a flange and comes complete with (4) pre-drilled mounting holes that provide a quick and easy port installation. Built for a Professional Workshop Environment: The POWERTEC Dust Port is made out of high grade ABS plastic material - well known for it's impact and heat resistance, shock absorbance and long-term durability.