Adapter Kit for Halo & Orbit Flush Mount Down LightsReplacing existing lights? Lumitec&';s retrofit kit covers oversized holes from old style halogen lights while providing an ideal mounting solution for our Orbit Flush Mount Down Lights. Ingenious clamp-in design has no exposed fasteners for a clean look inside or out.Use in holes 1.875" to 2.750".Specifications: Width: 3.00" (7.62cm) Height: 3.00" (7.62cm) Depth: 0.72" (1.82cm) WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.