Axial duct domestic electric fans 100mm ERA 4C with back flow valve

Axial duct domestic electric fans ERA 4C is designed for air ventilation in kitchens, showers, bathrooms and toilets. The casing and impeller are made of high quality and durable ABS plastic. The fan has a back flow valve, which allows you to protect the room from unpleasant odors from the duct or the neighboring apartment.