The Lithonia Lighting 4â Catenary LED linear Luminaire with Switchable White delivers general ambient lighting for flush-mount ceiling applications and features a switch for easy color temperature adjustment. This decorative linear fixture delivers long life and excellent color to ensure a quality, low-maintenance lighting installation. The durable acrylic diffuser provides even illumination and softens the appearance of the LEDs for improved aesthetics. The Crest LED luminaire makes an impression in kitchens, offices, hallways, corridors, foyers, bedrooms, closets, utility rooms and other areas in need of a decorative touch