MULTIPURPOSE - Duct flanges are suitable for heating cooling ventilation HVAC systems, and are widely used in air ventilation systems in homes, kitchens, bathrooms, garages, and factories. WHAT YOU GET - The package comes with 4 x Duct Connector Flange that Outer Diameter of Interface: 73 mm / 2.87 inch; Fit for Ducting Hose with Inner Diameter: 75mm / 3 Inch; Overall Dimensions: 86 x 86 x 42 mm / 3.39 x 3.39 x 1.65 inch (L*W*H); Diagonal Mounting Hole Distance: 103 mm / 4.06 inch; Adjacent Mounting Holes Distance: 72 mm / 2.83 inch. RELIABLE MATERIAL - Made of ABS Plastic, which has good corrosion resistance, temperature resistance and durability.
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