#html-body [data-pb-style=HVTR693]{justify-content:flex-start;display:flex;flex-direction:column;background-position:left top;background-size:cover;background-repeat:no-repeat;background-attachment:scroll}The Tridonic PC 1/40 TCL PRO is a non-dimmable high frequency ballast to run: 1 x 40 Watt long single turn PL-L type compact fluorescent lamps. Tridonic part number 22176142