Howard Lighting S-100-120-RXH-K 100W 120V High Pressure Sodium Ballast Kit

Howard Lighting BAL650C-4 300-750 lm Fluorescent Emergency Ballast by Howard Lighting

Howard Lighting HL04093GW Combo Exit/Emergency Light with Green Letters by Howard Lighting

Howard Lighting ST2000 200W to 400W High Pressure Sodium Lamp Ignitor

Howard Lighting S-70-120-RXH-K 70W 120V High Pressure Sodium Ballast Kit