Helvar
Helvar T5 Slim Electronic Ballast 1 x 54 Watt Helvar EL1x54NGN5
£19.68
https://www.bltdirect.com/ Go to shop Description
This single T8 58 watt ballast has been designed to be as slim as possible. At just 21mm high it is perfect for tight spaces. This ballast unit features optimum cathode control wide operational ambient temperature range standard and side mount possibilities and also silent operation.