Stellar Air decorative air intake covers are Magnetic and are made to replace the unattractive exhaust fan covers in your living space. Our unique designs will enhance the room by adding wall art to your hall, living room, ceiling or any space of your house. We transform eyesore air filter covers into beautiful wall decor. Our unique “snap in“ magnetic design means our vent covers can be easily installed without any drilling or headaches. You just have to remove your old ugly metal grill and snap in our Stellar Air vents. We go by the filter size behind the grill or the duct opening, please measure correctly and do not measure your existing cover.