Description
Bathroom exhaust fan: 7 blades thickened wind blade, , , strong wind and low noise..Ceiling exhaust fan: pure copper wire motor, sturdy and durable to use..Exhaust fan: valve will open and close accordingly, and mice from getting in..Kitchen exhaust fan: one-piece stamping wind blade, stronger wind while working..Window exhaust fan: metal protection shield, and prevent your hand or foreign objects from getting in.