ESL Vision ESL-RHB1-ARF-90 Aluminum reflector for Roswell Series. 90 degree beam angle. Field installedESL Vision ESL RHB1 ARF 90 ESL RHB1 ARF 90 Product Description ESL Vision Aluminum reflector for Roswell Series. 90 degree beam angle. Field installed Specifications: Brand: ESL Vision SKU: ESL RHB1 ARF 90 UPC: 842219162557 Accessory Type: Aluminum reflector for High Bay Light Series: ROSWELL VOL. 2 Beam Angle: 90 Degree Finish: Aluminum About ESL Vision: Long time friends and entrepreneurs, Mike Gleeson and Jeff Provolt, were very curious about the