Check the listing for details. WEN DCA009 2.5-Inch Locking Aluminum Blast Gate for Dust Collection Systems. Condition: New. Listed at 14.60 USD. Remember when you had a clean workshop? Direct the flow of air around your shop with the WEN 2.5-Inch Blast Gate. This useful adapter installs easily, helping guide your dust collection system to the woodworking machine of choice depending on if the gate is open or closed. This makes for the perfect solution for shops with multiple tools and a single dust collector. The heavy-duty aluminum construction provides long-lasting reliable performance, with a locking knob to keep the gate open or closed as needed. Each side measures in at 54.5mm inner diameter and 61.5mm outer diameter with a slight taper for improved compatibility. Compatible with WEN dust hose models DCA251 and DCA252. Remember when you had maximum suction? Remember WEN.Direct the flow of air around your shop’s dust collection system by sliding the gate open and closedPerfect for switching your dust collector between tools without having to connect and reconnect hosesHeavy-duty aluminum construction features a locking knob to secure the gate in the open or closed positionEach port measures in at 54.5mm inner diameter and 61.5mm outer diameter with a slight taper out to 63.5mm for maximum compatibilityUniversal design compatible with the majority of 2.5-inch dust hoses on the market