INCLUDES: 4” Flanged Inlet Fitting VERSATILE: Primarily used for attaching 4-inch ID dust hoses and similar sized machines ports to dust collection ports and woodworking applications, but can also serve as a dryer duct connector and works exceptionally well for heating and cooling ventilation projects FEATURES: An all-black, high precision solid round build with pre-bored mounting holes for a quick and easy installation PREMIUM BUILD: Made with high quality and rigid ABS plastic material – giving you optimal abrasion resistance, application durability and tensile strength for tough jobs and tougher woodworking conditions DIMENSIONS: Flange diameter measures 5-9/16-Inch | 4-Inch nominal end measures 3-59/64-Inch OD. And 3-23/32-Inch I.D..Designed to attach easily and securely to machines for connecting to dust collection systems.Pre-bored mounting holes for easy and secure installation.Tough, durable ABS plastic material.Flange diameter measures 5-9/16-Inch.4-Inch nominal end measures 3-59/64-Inch OD. And 3-23/32-Inch I.D., Weight: 0.15 pounds, Manufacturer: Southern Technology LLC