3 Inch Removable Screen Grille Cover Slanted Louver Round Air Vent for Bathroom

Color: White, Black Material: ABS Plastic Fit for Hole Dia.: 75mm / 3" Bottom Dia.: 70mm / 2.76" Total Size: 108mmx68mm / 4.25"x2.68" (D*H) Package Content: 1 x Round Air Vent Are there any advantages of the product? The mesh screen can prevent stones or other things from getting to your room and keep the airflow at the same time. White panels and black sleeves are removable, convenient to clean and wash. How to use it? Easy to use, make sure the black sleeve is inserted into the wall or ceiling hole and rotate it. Then the air vent will fix on the wall. What should I notice? 1. Please check your wall or ceiling mounting hole diameter before buying. 2. Not for the floor, only for the wall and ceiling.