5 Pairs Range Hood Air Flapper Valve with Backflow Protection, Plastic Exhaust Fan Check Valve Damper Blades for Kitchen Ventilation, Easy Installation

Package Include 5 x pairs of Backdraft Damper Flap Characteristics -Protects Kitchen Surfaces: Using the kitchen duct flap replacement, you prevent buildup on your kitchen walls, countertops, and cabinets, ensuring longterm cleanliness Cooker Hood Exhaust Flapper -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 Flap Valve -Neighbor fume Shield: The range hood fume flapper acts as a chimney exhaust backdraft blocker, sealing off shared duct fume in communal housing setups Range Hood Valve Flap -Product Info: Check valve blade -Size:14.50X14.00X0.30cm/5.71X5.51X0.12in -Color:Black -Range Hood Compatibility: The range hood vent flapper adapts seamlessly to range hoods, making it a straightforward range hood flapper blade Hood Vent Flap Blade -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 Dryer Fan Backflow Preventer Flap -Material:PlasticGoods InformationDuct One Way Damper Blade The damper flap insert solves negative pressure problems, offer fume and odor isolation for households and preventing backflow.Duct Backdraft Flapper 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

• 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 smoke flapper,Range Hood Flap Valve
• Kitchen upgrade: by using this backdraft damper flap, you reduce fume for kitchen walls and cabinets, maintaining a cleaner and more comfortable cooking space,duct non return flapper,Duct Smoke Prevention Flapper
• Comprehensive fume control: the chimney fume prevention flapper stops backdraft and blocks fume from reversing, ensuring a healthy kitchen with the exhaust flapper valve installed,one way ventilation flapper,Kitchen Vent Non Return Damper
• Smooth operation: the plastic backdraft damper features a quick and smooth opening and closing mechanism, ensuring optimal ventilation efficiency and less fume return,backdraft damper flap,Duct Flap Valve
• 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,range hood exhaust damper,Replacement Damper Blade