Includes one bulb and 120V lamp. Spun 22-gauge steel housing. White acrylic diffuser. Bulb type: T9. Small maximum wattage: 22 Watts. Medium maximum wattage: 22 and 32 Watts. Large maximum Wattage: 32 and 40 Watt. UL listed for damp location. Warranty: Two years limited Small:. 14 in. Dia. x 4 in. H (3 lbs.) Medium:. 17 in. Dia. x 4 in. H (4 lbs.). 17 in. Dia. x 4 in. H (4.9 lbs.) Large: 21 in. Dia. x 4 in. H (6.85 lbs.). Specifications. Assembly Instructions