Atlas 8" Plastic Mounting Ring

8" Plastic Mounting Ring w/ Tabs for 16" Studs Plastic mounting rings are ideal for retrofit applications with hard-to-access ceilings. Model P78-8 includes mounting ears for conventional installation in 16" (406mm) stud ceilings. Construction is polystyrene plastic. Four J-nuts included. Includes Mounting Ears For Conventional Installation In Stud Ceilings Plastic Mounting Ring Ideal For Retrofit Applications With Hard-To-Access Ceilings.