EiKO F15T8/BLB Black Light Blue Linear Fluorescent (2-Pack), 15 Watts, Medium Bipin G13 Base, T-8 Bulb, 18.0"/457mm MOL, 1.0"/26mm MOD, 2.75mg Mercury Content, 7500 Rated Life 15 Watts, Medium Bipin G13 Base, T-8 Bulb 18.0"/457mm MOL, 1.0"/26mm MOD 2.75mg Mercury Content, Amalgam HG Form 7500 Rated Life Blacklight Blue (365nm), Preheat