jojofuny 5 Pairs Range Hood Exhaust Damper Flap - Non-Return Valve Flapper - Check Valve One-Way Airflow Flap Insert for 15cm/6" Ventilation Pipe Backflow Preventer

DescriptionEquipped with non-return valve flap for range hood exhausts, this Kitchen Vent Backdraft Blocker ensures quick, tool-free installation on the exhaust pipe connection. The damper flap insert solves negative pressure problems, offer fume and odor isolation for households and preventing backflow.Features-Color:Black-Material:Plastic-Size:14.50X14.00X0.30cm/5.71X5.51X0.12in-Neighbor fume Shield: The range hood fume flapper acts as a chimney exhaust backdraft blocker, sealing off shared duct fume effectively in communal housing setups-QuickReacting Design: Equipped with a check valve flap blade that responds rapidly to airflow, the damper flap for range hood ensures efficient kitchen ventilation without delays-Range Hood Compatibility: The range hood vent flapper adapts seamlessly to range hoods, making it a straightforward range hood flapper blade-Protects Kitchen Surfaces: Using the kitchen duct flap replacement, you prevent buildup on your kitchen walls, countertops, and cabinets, ensuring longterm cleanliness-Consistent Airflow Control: This exhaust fan backdraft damper maintains stable ventilation with its precise one way ventilation flapper, keeping indoor air fresh from backdrafts

• Neighbor fume Shield: The range hood fume flapper acts as a chimney exhaust backdraft blocker, sealing off shared duct fume effectively in communal housing setups
• QuickReacting Design: Equipped with a check valve flap blade that responds rapidly to airflow, the damper flap for range hood ensures efficient kitchen ventilation without delays
• Range Hood Compatibility: The range hood vent flapper adapts seamlessly to range hoods, making it a straightforward range hood flapper blade
• Protects Kitchen Surfaces: Using the kitchen duct flap replacement, you prevent buildup on your kitchen walls, countertops, and cabinets, ensuring longterm cleanliness
• Consistent Airflow Control: This exhaust fan backdraft damper maintains stable ventilation with its precise one way ventilation flapper, keeping indoor air fresh from backdrafts