Click or scroll to zoom Tap or pinch to zoom Click or scroll to zoom Tap or pinch to zoom Click or scroll to zoom Tap or pinch to zoom Click or scroll to zoom Tap or pinch to zoom Click or scroll to zoom Tap or pinch to zoom Click or scroll to zoom Tap or pinch to zoom GRHB05 by Selser Lighting Products $0.00 WHERE TO BUY Spec Sheet Installation .IES Files Description The GRBH05 is our most powerful round UFO design LED high bay luminaire. High lumen output, high efficacy exceeding 156 lumens per watt, designed to replace 750W and 1000W HID while consuming only 250W and 340W.