• Wall mount flange molded on blast gate fitting to shut-off one dust collection line at a time
• Simple open or shut design has flat, square plate that moves inside a 3-sided frame
• Overall dimensions: 6-1/2" x 5-1/2" closed and 10-1/4" x 5-1/2" in open position
• Each 4" OD port is 1-1/2" long to provide room to slide on hose and apply hose clamps
• Molded using ABS material for rigidity and durability
