BESPORTBLE 5 Pairs Kitchen Vent Backdraft Blocker Plastic Non Return Damper Flap Blades for Range Hood and Exhaust Fan, Easy Installation with Optimal Ventilation Efficiency, Black, 6 Inch

Package Include 5 x pairs of Backdraft Damper Flap Features -Material:Plastic -Anti-Clog Structure: Smoothedged nonreturn valve flap design allows the range hood air flapper to resist buildup, enabling longterm efficiency and simple cleaning routines Exhaust Damper Flap -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 Kitchen Vent Backdraft Blocker -Product Info: Check valve blade -Quick SnapIn Installation: This duct backflow damper insert can be fixed in place within minutes as a cooker hood exhaust flapper or vent backdraft Flap Valve -Color:Black -Adaptive Fit: The range hood flapper blade matches the majority of kitchen vent ducts, eliminating compatibility concerns for your kitchen duct flap replacement needs Range Hood Flapper Blade -Size:14.50X14.00X0.30cm/5.71X5.51X0.12in -Reliable: By preventing backflow, the kitchen vent backdraft blocker improves the range hood’s efficiency and reduces energy costs over time Backflow Preventer FlapGoods InformationDuct Backflow Preventer Blade The Backflow Preventer Flap works as one way duct flapper valve to prevent reverse airflow in kitchen venting.damper flap for range hood Its fast-responding non-return valve flapper automatically lifts as fume flows out and closes securely when off, eliminating kitchen backdraft issues and enhancing indoor air quality in homes using common exhaust pipe

• 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,check valve flap blade,Dryer Fan Backflow Preventer Flap
• Kitchen upgrade: by using this backdraft damper flap, you reduce fume for kitchen walls and cabinets, maintaining a cleaner and more comfortable cooking space,cooker hood air flapper valve,Duct Smoke Prevention Flapper
• Enhanced air quality: the duct fume prevention flapper eliminates the risk from external fume, acting as a robust exhaust base flap,hood pipe flap plastic,Non-Return Valve Flap
• Anti-clog structure: smoothedged nonreturn valve flap design allows the range hood air flapper to resist buildup, enabling longterm efficiency and simple cleaning routines,exhaust duct flap valve,Chimney Exhaust Backdraft Blocker
• 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 vent flapper,Hood Outlet Flap