The Osram QTi 1x 21/39 Quicktronic Intelligent T5 is for:
1x Osram Dulux L 40W 2G11 and Philips PL-L 40W
1x Osram T5 FC 22W 2GX13 and Philips TL5 Circular 22W
1x Osram T5 FC 40W 2GX13 and Philips TL5 Circular 40W
1x Philips TL5 HE 21 W
1x Philips TL5 HO 39 W
