Topaz’s 135W High Bay Eclipse Series luminaire comes with a standard locking hook for easy and quick installation. Suitable for 20' – 25' foot mounting heights, these fixtures deliver 20,500 lumens with an efficacy of 150 lumens per watt and a 50,000-hour life rating. They feature a durable die-cast housing, built-in cooling fins that provide maximum heat dissipation for higher ambient temperatures, a 1/2" threaded hub for pendant mounting, and a 6-foot power & dimming cord with leads. Perfect for industrial applications, warehouses, and sports arenas. Replacement for 400W HID.