FUNCTION: Gives you the ability to connect two separate machines (or two hoses from the same machine) directly to the dust collector main hose
BUILD: Featuring non-threaded, all-black ABS plastic construction, this dust hose fitting is designed for durability and built to withstand the wear and tear often associated with woodworking dust extraction.
AIRTIGHT DESIGN: Ensures that potent dust and harmful debris is extracted straight into your dust collector without leakage and returns the clean air back into your workshop environment
SPECIFICATIONS: Contains three 4-Inch OD nominal ends measuring at 3-61/64-inch outer diameter and 3-43/64-inch inner diameter