Description:The built-in anti-fly screen net can effectively filter debris.The panel and cover can be easily disassembled for cleaning.Disc-type air outlet and rotary adjustable air outlet meet your purchase needs.Specification:Type: disc-type air outlet / rotating adjustable air outletColor: whiteSize: about 75mm/2.95inch; 100mm/3.94inch; 150mm/5.91inchDisc type outlet features: adjust the air outlet size by lifting the disc panel by tightening the screwRotating adjustable air outlet features: rotating the middle knob to adjust the air outlet.Package List: Ventilation Cover *1Notes: Due to the lighting effects and camera angles, the color of the item and that shown in the picture might have a nuance.Due to manual measurement, there might be a tolerance in the product size.See more product details1.Strong & Durable: Made of durable ABS material, Round Air Vent is designed with a disc air vent and rotary adjustable air vent, compact, strong, and not easy to deform. 2.Easy Disassembly for Cleaning: Round Soffit Vent is making maintenance very convenient, easy to disassemble the panel from the cover, and simple to use and clean. 3.Fly Screen Mesh: Effectively filters out the debris and keeps flies out, ABS Air Vent is ideal for bathroom, kitchen, and office ventilation, designed with a sealed filter mesh. 4.Practical Design: Easy to change airflow as needed, Soffit Air Vent is easy to adjust the disc air outlet through the screw tightness, letting you easily adjust the rotating air outlet by rotating the middle knob. 5.Quick Installation: Round Ventilation Grille is suitable for walls, ceilings, or other surfaces, great for home and office decoration, and convenient to install.