Big Horn 11262 2-1/2-Inch Triangular Dust Port Go to amazon.com Related posts Check expert advices for router table accessories? FeatureCreate healthier work environmentUse with router and table saw fencesFits into cornersAccepts 2-1/2-Inch hoseFor best connection use hose clamp (not included) DescriptionBig Horn Corporation 11262 2 1/2" Triangle Connector