4 Inch Air Vent Duct Flange, Straight Ventilation Pipe

Product Name 4 Inch Air Vent Duct FlangeProduct ColorBlackReplacement ModelsFit for Heavy Duty HVAC Ventilation SystemFit for Cooling Ventilation SystemFit for Heating Ventilation SystemFit for Dryer Ventilation SystemFit for Exhaust Fan Ventilation SystemFit for Bathroom Ventilation SystemFit for Kitchen Ventilation SystemNoticePlease carefully check all pictures and part numbers in the listing to make sure it is the correct product you need

• Multiple Models Compatible: Fit for heavy duty HVAC/ cooling/ heating system; Fit for dryer/ exhaust fan/ bathroom/ kitchen ventilation systems. The length and width of this ventilation duct connector flange are 6.25", and the diameter of the center hole is 3.98"
• Key Function: This ventilation duct connector flange securely and tightly connects your bathroom or kitchen air ducts, creating a complete air transport network while facilitating future maintenance and inspection. It ensures an airtight seal, effectively preventing air leaks, maintaining system airflow efficiency, and reducing noise
• Superior Quality: This ventilation duct flange is crafted from high-strength engineering plastic—a material that is lightweight yet tough, featuring a solid, robust structure. Unlike metal alternatives, it offers exceptional resistance to water, moisture, rust, and corrosion, making it perfectly suited for harsh environments such as grease-laden kitchens, steamy bathrooms, and damp, chilly basements. It is easy to maintain and offers a long, reliable service life
• Installation Tips: The flange base features pre-drilled standard mounting holes that are precisely positioned, eliminating the need for extra drilling or specialized tools. The kit includes four expansion screws and a duct clamp for quick and efficient installation. Please wear gloves during installation, as the edges of the flange base may be slightly sharp
• Package Contents: 1 X 4 Inch Air Vent Duct Flange; 4 X Expansion Bolts; 1 X Clamp