This Saylite 44 Series 4-foot linear wall-mount LED lighting fixture houses 24-watt, 48-watt or 57-watt LED systems to match the delivered lumens you want for your commercial indoor lighting applications. These 44 Series LED linear fixtures from Saylite work with a multi-volt (120-277) voltage input and optional dimmable ballast. The 44 series light fixtures are ideal for corridors, lobbies and office areas. Welded 22-gauge cold rolled steel knockouts on the ends allow continuous wire-way mounting. A 1/2-inch regressed flange at the bottom insures uniformity.