3.5 Cu. In. 3/0 round pan box for use with wall light fixtures and nonmetallic sheathed cable - Machine tapped fixture holes on 2 3/4" centers, ground strap, rigid hard box construction, no distortion with high temperatures, shatter resistant with low temperatures - New or old work residential construction 2 HR fire resistive walls and ceilings - See 2008 NEC 410.10 for use with light fixtures - Fiberglass reinforced polyester - thermoset box - Size: Depth= 5/8", Dia=3 3/8" - Mount with Bottom mounting holes provided for fastening