Eyeball trim fits over 50 different style housings. If you have an existing recessed housing can in your ceiling, send us a photo of the inside. Better yet, see our accessible resource page of pictures and find the one you have.
You can find it at this link
See our easy recessed housing (Can) resource page to see if this eyeball will fit your existing fixture..
Use the PAR, R, or BR LED bulbs. All the standard ones will work. Do Not use a short neck bulb with this trim. It is too short and will not look good.