Backflow Valve for Ventilation Pipe EEV Bathroom Fan - Check Valve for Fans

Features:

• Suitable for bathroom fans
• Prevents air flow from reversing
• Effectively prevents air from entering through the fan
• The housing is made of ABS plastic from a special lightweight polymer
• The connection of the backflow valve is done with the special mounting parts on the fan nozzle.
• Compatible with our Extractor Fans.

Details: This ventilator extractor non-return valve prevents the return of air from the ventilation system to your interior. The non-return valve, compatible with different air ducts, will not interfere in any way with passive indoor ventilation.