5511864 PT# BW.15A.R Bulb IncandescentFOR Darkroom Safelight 15W Md Screw Red Ea Made by Bulbworks Inc Go to amazon.com Related posts How to buy the best darkroom safelight lamp? FeatureManufactured By Bulbworks IncPlease Note: Photo may NOT represent actual item, please refer to title for all detaisManufacture Pt# BW.15A.RSold Individually DescriptionBulb Incandescent f/ Darkroom Safelight 15W Md Screw Red Ea