9351-NKV 4" Round Ceiling/Fixture Box, Depth: 2-7/16", Nail-On, Non-Metallic

4 Inch round Ceiling/Fixture Box, Depth: 2-7/16 Inch, Cubic Inches: 22.5, Nail-On, NM Cable Clamps, Vapor Seal, Thermoset-Fiberglass

Polyurethane flange for single drywall offset, machine tapped fixture holes, rigid hard box construction, no distortion with high temperatures, shatter resistant with low temperatures, Speed K Clamps factory installed