SAWSTOP RT-DCB - Downdraft Dust Collection Box for Router LiftCompatible with all SawStop Router Tables, the Downdraft Dust Collection box was engineered to draw the dust down from the router bit and deliver to a 4 port for collection, all while substantially minimizing router noise. This steel collection box features interchangable panels for optimal dust port and vent placement. Plug the 2. 25 dust hose from the router fence directly into the dust boxs branch inlet, and let the 4 port deliver above and below