Softer rubber fitting with 2-1/2" inlet that reduces to 2", 1-1/2", 1-1/4" and 1". This fitting is perfect for power tools or other stationary machines that may have an odd sized dust outlet. Being soft rubber the fitting can be cut easliy and permanently attached to your maching. Secure with hose clamps for a final tight fit.
For those wishing to know the internal and external dimensions for connecting to existing machines or other setups - 58mm - 63mm on one side to a stepped reducer of 50mm - 37mm - 32mm - 25mm on the other side.