75mm white disc valve, adjustable ABS ventilation cover for ceiling or wall mounting, round ventilation grille for exhaust fan, duct fan

General Description The 75 mm white disc valve is designed for efficient ventilation, whether ceiling or wall mounted. Its adjustable ABS ventilation cover allows you to adjust the airflow by rotating the center of the air outlet. This round vent grille is ideal for exhaust fans and ductwork systems. Technical Specifications Diameter: 75 mm Material: High-quality ABS plastic Type: Disc valve Installation Easy installation thanks to the reverse loop design. Slide the ventilation cover into the pre-drilled hole and turn it slightly to secure it. Connect the pipes and lock them with hose clamps. Use Can be used as an indoor air inlet and outdoor air outlet. Compatible with 75 mm diameter drain pipes. Can be mounted on walls or ceilings.