Description:1. Material: This vent is made of plastic material, with fine workmanship, durable, impact-resistant, scratch-resistant, moisture-proof, corrosion-resistant, anti-oxidation and easy to clean.2. Design: The plastic vent has a simple and elegant appearance, and is lightweight and easy to install. The mesh design with multiple small strip exhaust ports can achieve ventilation and heat dissipation. Good durability and anti-ageing ability make it difficult to deform, crack or fade during long-term use. It has a convenient airflow and can block dust, which is not easy to block.3. Easy To Use: When installing, just push the cover into the mounting hole, it will be firmly stuck. Cleaning is simple, Just remove the plastic vents and clean them with cleaning tools.4. Wide Application: The round soffit vents are used for ventilation, air permeability, heat dissipation, and fresh air. It is suitable for offices, conference rooms, auditoriums, concert halls, bedrooms, kitchens, bathrooms, storage rooms, and other places where airflow is required.Specification:Color: WhiteMaterial: PlasticOutside Diameter: 50mm / 1.97”Bottom Diameter: 54.5mm / 2.15”Mounting Height: 10mm / 0.39”Package Content: 30Pcs x Circular Soffit Air Vents