5 Pairs Range Hood Exhaust Damper Flap Backflow Damper Insert Plastic Check Valve for 6 Inch Ventilation Pipe Optimal Ventilation Efficiency and Backflow Protection for Kitchen Use

Package Include 5 x pairs of Backdraft Damper Flap Features -Product Info: Check valve blade -Range Hood Compatibility: The range hood vent flapper adapts seamlessly to range hoods, making it a straightforward range hood flapper blade Kitchen Vent Damper Flap -Material:Plastic -Consistent Airflow Control: This exhaust fan backdraft damper maintains stable ventilation with its precise one way ventilation flapper, keeping indoor air fresh from backdrafts Range Hood Check Valve -Protects Kitchen Surfaces: Using the kitchen duct flap replacement, you prevent buildup on your kitchen walls, countertops, and cabinets, ensuring longterm cleanliness Vent Duct Damper -Size:14.50X14.00X0.30cm/5.71X5.51X0.12in -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 Duct Backdraft Flapper -Neighbor fume Shield: The range hood fume flapper acts as a chimney exhaust backdraft blocker, sealing off shared duct fume in communal housing setups Non-Return Valve Flapper -Color:BlackGoods DescriptionRange Hood Valve Flap Equipped with non-return valve flap for range hood exhausts, this Kitchen Vent Backdraft Blocker ensures quick, tool-free installation on the exhaust pipe connection.Hood Outlet Flap The damper flap insert solves negative pressure problems, offer fume and odor isolation for households and preventing backflow

• 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,backdraft damper replacement flap,Vent Backdraft Flap
• Backflow protection: the range hood check valve flap prevents kitchen cooking fumes from backflowing into your home with its highly responsive exhaust damper flap design,duct one way damper blade,Non-Return Valve Flapper
• Reliable retrofit: as a range hood duct flap, this replacement damper blade is perfect for new installations or upgrading worn range hood exhaust dampers in older homes,exhaust pipe flap,Kitchen Vent Non Return Damper
• Reliable: by preventing backflow, the kitchen vent backdraft blocker improves the range hood’s efficiency and reduces energy costs over time,one way ventilation flapper,Exhaust Flapper Valve
• Noise reduction: the nonreturn valve flapper operates quietly, ensuring the duct backflow flapper does not introduce additional noises into your kitchen,duct smoke prevention flapper,Backflow Preventer Flap