Progress Lighting's P84-AT is a 5" shallow air-tight recessed housing that fits into a 2 x 6 construction. It features a universal junction box with snap-out sides, a removable housing for field inspection of wiring, and a grounding pigtail ideal for device grounding applications. This P84-AT Lighting Fixture includes integral nail bar hangers with integral T-bar mounting clamps for wood joist construction. It has overall dimensions of 7 7/8" x 10 3/4" x 5 1/2" with a 5 1/4" ceiling opening. Progress Lighting has been known for making first-rate lighting fixtures. This Shallow Recessed Housing has a porcelain socket with a nickel-plated brass screw shell. It complies with the Washington State Energy Code (WSEC) requirements and is UL-CUL-listed for damp locations. This product is manufactured by Progress Lighting, a credible name in the lighting industry.