› 6-square-duct-connector-flange

Outer Diameter of Interface: 145 mm / 5.7 inch; Overall Dimensions: 180 x 180 x 75 mm / 7.1 x 7.1 x 3 inch (L*W*H); Diagonal Mounting Hole Distance: 168 mm / 6.6 inch; Adjacent Mounting Holes Distance: 80 mm / 3.1 inch; Color: Red; Material: ABS Plastic;…