Easily replace the cover on your Broan or NuTone medium sized bath with the Broan-NuTone FGR300. Cover dimension: 11-3/8"” x 12" x 1" This cover only fits Broan and NuTone fans with a housing size of 9-1/4" x 10". It is not compatible with other brands. Check the springs on your current cover to make sure they match the springs in the picture. Installation can be completed in 5 minutes or less. The cover is sized just right to conveniently cover existing drywall cuts for an easy, no cut install.