Hubbell-Raco 890 Flat Concrete Ring Cover, (3) 1/2-Inch & (2) 3/4-Inch Knockouts

RACO concrete ring cover is designed for use with all RACO concrete rings. The cover is used to close the concrete ring before installation. It measures 4 1/2 inch diameter and features three 1/2 inch and two 3/4 inch knockouts.