Progress Lighting's P87-AT is a new construction recessed housing. 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 P87-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 7 1/4" with a 6 7/8" ceiling opening. Progress Lighting has been known for making first-rate lighting fixtures. This Air-tight Recessed Housing is of galvanized steel construction. It is UL-CUL-listed for damp locations. This product is manufactured by Progress Lighting, a credible name in the lighting industry.