Dust Collection 2 1/2" Y-Connector By Peachtree Woodworking - PW406
The 2 1/2" Y-Connector, 2 1/2" T-Connector, 2 1/2" Elbow Connector) and the 2 1/2" Splice Connector (EACH SOLD SEPARATELY) will allow you to set up your ultimate Dust Collection System