#Bldc_Ventilation_fan 10"(250mm) #Unboxing (#ventilation_fan for #bedroom, #kitchen, #office, #portable_rooms) click and Watch: https://youtu.be/NU2XtJtTXRg share & Subscribe please Bldc Ventilation 10"(250mm) #Unboxing (ventilation fan for bedroom, kitchen, office, portable rooms) maximum size 10 inches (250 mm) option of three type in coming model 1. solar operated 2. electricity operated 3. remote control based which type you want tell us... What does a Bldc ventilation fan do? Bldc ventilation fans are used to ventilate a residential or commercial space. This works to bring fresh air from the outside and into the enclosed space. It helps circulate air through the building or home, which prevents individuals from breathing stuffy, less oxygenated air. Where should a ventilation fan be placed? Best Venting and Ductwork Locations, Vent kitchen fan directly outside of structure. Avoid venting between floors or walls. Keep ductwork as straight and smooth as possible....