Specifications highlight the ' compatibility with 2-1/2" ID dust hoses, ports, or vacuum fittings. The nominal end measures 2-31/64" OD and 2-19/64" ID, crafted for precise connections and minimal air leakage, enhancing system efficiency. Includes two 2-1/2" Blast designed to optimize your dust collection system by effectively directing airflow between machines. Each gate features 2-1/2" OD outlets compatible with 2-1/2" ID dust hoses or ports, ensuring a seamless fit for efficient operation. Please note compatibility restrictions: these do not directly connect to other 2-1/2" OD ports. For such connections, additional accessories like a Flex Cuff are necessary. Verify the actual sizes listed to they meet your specific needs before ordering. Functionality is key with these blast , which are engineered to maximize the efficiency of dust collection systems by regulating airflow. This allows for enhanced control from one machine to another, optimizing the cleanliness and functionality of your workspace. Constructed from high-quality black ABS plastic, these blast are not only but also abrasion-. They are built to withstand the rigors of daily use in environments with dirt, sawdust, and woodchips, maintaining integrity and performance over time., Weight: 0.67792145565 pounds, Manufacturer: Frewurwer