The RAB Lighting FHID-45S-EX39-8CCT is a 45/38/30W tri-wattage, CCT-selectable dimmable LED Filament HID lamp in an ED37 form factor with an EX39 mogul base, designed for retrofitting commercial and industrial HID fixtures. Field-selectable 3000K, 4000K, and 5000K color temperatures combine with 5,1008,100 lumens, CRI80, and 170185 LPW efficacy across 120277V operation with 010V dimming. The 50,000-hour rated life and multi-wattage selection give specifiers and contractors maximum flexibility in a single SKU.