FAQ - What is the difference between a "flush-mount" and "semi-flush" bath fan design?

Our 110 CFM fans are flush-mount, with the grille sitting level with the ceiling for a sleek, seamless appearance. Our 70 CFM fans are semi-flush, extending slightly below the ceiling with an approximate 1/2-inch opening between the glass shade and the ceiling board. Both styles provide effective ventilation with different installation profiles to fit your bathroom's size & design needs.