PRODUCT SIZE: Round soffit vent white panel size is 5.55 inches, thickness is 2.99 inches, flange opening size is 3.74 inches, designed for 4 inches ducts, vent fans, inline duct fans, exhaust fans and so on. Please check your duct size to select the appropriate air vent BUILT-IN SCREEN: The soffit exhaust vent comes with a removable built-in screen that has the perfect amount of density space to keep unwanted debris, rain and small bugs out of your home while ensuring fresh air flows into your home. Providing you and your family with comfortable, clean and healthy living PREMIUM QUALITY MATERIAL: The soffit vent cover is made of high quality ABS material, sturdy and durable, waterproof and rustproof. The panel and black sleeve are removable for easy cleaning and maintenance. The black sleeve features a side retaining valve to ensure that the hose is securely fastened in place to prevent it from falling out EASY TO USE: The exhaust vent cover is lightweight and portable, with a simple, easy-to-use construction. The bottom of the screen soffit vent is sized to be compatible with 4-inch ducts, vent fans, inline duct fans, exhaust fans, etc. for a simple, secure installation WIDE APPLICATION: The dryer vent ABS louvered grille cover is suitable for wall mounting and ceiling mounting, perfect for kitchens, bathrooms, living rooms, bedrooms, conference rooms, offices and other places that need ventilation 4 Inch- 4 PCS Air Vent Covers