Hydro Crunch 315-Watt CMH Ceramic Metal Halide Ballast Conversion Kit with 3100K Lamp and Socket Adapter KB315-3PC - The Home Depot
Nanolux cMH 315W Ballast - Aggressive Garden
Digital Greenhouse 315w CMH Ballast | HTG Supply
630W Dual 315W CMH Low Frequency Square Wave Dimmable Digital Electronic Ballast for Greenhouse - China Electronic Ballast HPS 1000W, Metal Halide Lamp | Made-in-China.com
Nanolux Summit Series 1000w dimmable HPS/CMH/MH ballast - Hydroxchange
Iluminar Remote CMH DE Ballast 630 Watt 120/240 Volt
Hydro Crunch 315-Watt CMH Ceramic Metal Halide Ballast Conversion Kit with Socket Adapter C02A011401PGZ18 - The Home Depot
Phantom II Cmh Ceramic Metal Halide Digital Ballast, 315, 120V/240V - Shore Grow
Phantom CMh Reflector, Ballast and Lamp Kit (4200K)
315W CMH Electronic Ballast - Growlite
Phantom II CMH Ceramic Metal Halide Digital Ballast