2 x Osram 4050300008974 - 21" 13W T5 Fluorescent Tube 640 4000k Cool White | eBay
ALUMOTECH 4 Bank Fluorescent Osram Tube PRO Ligthing For Studio Camera Film Photography Video Support Lighting|light video|fluorescent studiostudio light video - AliExpress
OSRAM 2-Bulb Commercial Electronic Fluorescent Light Ballast in the Ballasts department at Lowes.com
Fluorescent tube LT 54W/840 T5/HQ | GM electronic COM