5 Pairs One Way Ventilation Flapper for Exhaust Fans and Vents, Plastic Non-Return Valve Flapper with Backflow Protection and Smooth Operation, Kitchen Hood Outlet Exhaust Duct

Package Include 5 x pairs of Backdraft Damper Flap Characteristics -Color:Black -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 Kitchen Duct Flap Replacement -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 Duct Backflow Preventer Blade -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 Backflow Preventer Flap -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 Replacement Damper Blade -Adaptive Fit: The range hood flapper blade matches the majority of kitchen vent ducts, eliminating compatibility concerns for your kitchen duct flap replacement needs Kitchen Vent Non Return DamperGoods DescriptionDuct Backflow Preventer Blade The Backflow Preventer Flap works as one way duct flapper valve to prevent reverse airflow in kitchen venting.Duct Non Return Flapper 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

• Leakproof barrier: featuring a tight seal, the duct non return flapper maintains kitchen hygiene by acting as a plastic backdraft damper that instantly reacts to airflow changes,duct smoke prevention flapper,Exhaust Duct Flap Valve
• Simple maintenance: the hood outlet flap is designed for quick removal and cleaning, maintaining efficient function without complex upkeep for kitchen vent non return needs,one way ventilation flapper,Duct One Way Damper Blade
• 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 backdraft damper flap,Plastic Backdraft Damper
• Smooth operation: the plastic backdraft damper features a quick and smooth opening and closing mechanism, ensuring optimal ventilation efficiency and less fume return,exhaust fan backdraft damper,Hood Vent Flap Blade
• Range hood compatibility: the range hood vent flapper adapts seamlessly to range hoods, making it a straightforward range hood flapper blade,dryer fan backflow preventer flap,Range Hood Vent Flapper