Design: Wall or ceiling mount; Beautiful round design with no visible screws, stays intact or uses suction cups; Used for ventilation in indoor and outdoor applications. Wide Applications: This round vent is suitable for use in ductwork systems for whole-house ventilation, passive ventilation, air conditioning, HVAC, and heat recovery systems. Convenient to Use: Simple, quick, and easy to install; Compatible with ventilation system components with a 75 mm diameter; Ideal for use in residential and commercial spaces, including kitchens, bathrooms, toilets, and garages. Ventilation Size: 75 mm diameter, white round hood, suitable for home ventilation applications. Material: Made of ABS, durable and strong; Designed to cover openings and vents in walls or ceilings. Dimensions: Outer diameter 120 mm, bottom diameter 67 mm, height 69 mm.