Model : DS40L 36/40W Fluorescent Lamp Ballast (Choke) Brand : Designer Full Range Accessories For Electrical Wiring Work & Component Protection For Electrical Wiring Easy to Install Color : White Easy to Match to Any Interior Easy for Replacement Easy To Equip, Long Life & For Use Protection Against Impact At All Temperatures Strong & Durable For 4 Feet Long Fluorescent Lamp For Circular Round Tube 32W/40W For PLL Lamp Resistant to Hot Weather Made in Malaysia Suitable for Home, Factory, Office, Hospital etc.