78mm 60 degree high bay light glass lens ( RH-HBL- ... Main Parameter Model No RH-HBL-13 Description 78mm 60 degree glass lens for high bay lighting application Material ... Photometrical curve round light shape Diameter 78mm View degree 60 degree Lens price 2.98 ~ 3.63 USD/Complete ... bay light,factory,warehouse,mine,workshop,big toll station,gas station,stadium,exhibition,wharf and other long-distance led ...