Check the listing for details. WOODRIVER Dust Connection 5" ABS Basic Blast Gate Fitting for Dust Collection Sy. Condition: New. Listed at 22.18 USD. NEW, WOODRIVER Dust Connection 5" ABS Basic Blast Gate Fitting for Dust Collection System, 162292, ABS material, 5" OD port on either side of the gate 1-1/2" long, Close one branch of your dust system while you are using the other, WoodRiver® ABS Basic Blast Gate Dust Collection Fitting allows you to close one branch of your central dust collection system while you are using the other. Simple open or shut design has flat, square plate that moves inside a 3-sided frame to provide a pass-through or shut-off to connect your dust collector to your system or a branch line to one of your tools. Molded fitting has overall dimensions of 7-1/2" long and 6-1/2" wide closed; 12" long and 6-1/2" wide in the open position. Each 5" OD port on either side of the gate is 1-1/2" long to provide room to.