6" Incandescent IC Airtight Recessed Housing (1 Pack) For New Work Applications IC Rated, Air Tight for direct contact with insulation. Standard unit up to 75 watt lamp (with proper trim). Thermally-protected. Adjustable lamp height. Nail-less installation bar hangers. Integral T-bar installation slots. Oversized J-Box with 4 integral ROMEX pry-outs with strain reliefs UL listed for feed through wiring and damp location. UL Listed for both drywall and drop ceilings.