This item is now obsolete  an alternative will be sent 

This Osram QT-ECO 1x18-24/220-240 S is a non dimmable matchbox ballast to run: 1 x 24w T5 fluorescent tube 1 x 22w T5 Circular tube 1 x 15w or 18w T8 Fluorescent tube 1 x18w or 24w Double turn CFL's 1 x 18w or 24w DuluxW  F CFL's