F40T12-BLB (48") - 40 watt, T12 Black Light Blue Fluorescent, 48" Length Go to amazon.com Related posts Top 14 best blacklight bulb t12 for 2022 FeatureF40T12-BLB (48") - 40 watt, T12 Black Light Blue Fluorescent, 48" Length DescriptionF40T12-BLB (48") - 40 watt, T12 Black Light Blue Fluorescent, 48" Length
