Stainless steel fan backdraught shutter 100mm / 125mm / 200mm
Features:
1. Made of stainless steel.
2. The outlet sizes choice : 100mm, 125mm, 150mm, 200mm, etc.
Benefits to set this product to the ventilation pipe:
prevent outside air from penetrating the home.
prevent the smoke from public pipe enter into the home.
prevent insects fly or climb into the ventilation pipe.
Details show:
