Amazon.com: Solus IG13-20EL-2PK Electronic 120V Fluorescent Ballast, Easy Install & Energy Saving, Great for Aquarium & Terrarium Lamp Lighting, Multi-Watt, UL & CUL, 2-pk, Operates Linear Fluorescent Lamps : Pet Supplies
T5HO Ballast (B2201054D01) - China aquarium lighting and aquarium light
58W Electronic Ballast for T8 Lamp with SAA Ce CB Certificate - China Electronic Ballast and 36W Ballast
Inter-Global IG13-20EL electronic ballast 120v New Common Aquarium Light Ballast | eBay
Ballast Visilux Newa Aquarium Systems
Amazon.com: Fluorescent Ballast for Solus IG13-20EL by Lumenivo - 120 V Aquarium Light Ballast - 1-Lamp - T8 F20T8-20W - 1 Pack : Pet Supplies