Installation can be completed in 5 min or less thanks to backwards compatible grille springs. No wiring is required and the grille is sized just right to conveniently cover existing dry wall cuts for an easy, no cut install.Retrofits economy ventilation fan installationsNo professional installation requiredNo cuts, wiring or drywall patchingHides existing drywall cutsInstant upgrade blends with any decorWhite finish coordinates with most white ceiling paintKit is compatible with existing fan housing dimension of 7-1/2 x 7-1/4 inGrille dimension – 9-1/4 x 9-3/4 in