Recessed 4 inch aperture retrofit LED downlight for installation in existing open frame commercial downlights. Retrofit collar fits housing openings 4-3/4" to 5-1/8" nominal diameter. Medium beam reflector delivers 1.0 nominal spacing criteria. LED module features integral lens, with damp and wet location listing in protected ceilings. Available in 1000, 1500, 2000, 3000, and 4000 lumens with color temperatures of 2700K, 3000K, 3500K and 4000K in 80 or 90 CRI. Fixture is suitable for commercial construction. IC rated 1000 and 1500 lumen models are suitable for direct contract with air-permeable insulation. Other models are Non-IC, and must have insulation kept 3" from top and sides of housing. Universal input 120V-277V driver with 0-10V 1% dimming. Specify collar (housing), LED module, and trim separately to complete the luminaire.