Philips 13W Warm White T2 Spiral CFL Bulb, E26 Base | EL/mdT2 13W | Bulbs.com
T2-Leuchtstofflampe 13W obsolete Elektra | UNITED STATES Sales
Technical Precision 13W Sub Miniature T2 Fluorescent Tube Light Bulb Replacement for Fulham FLFT2E13W835 FM13T2/835 Linear Fluorescent Tube with Axial Base - 3500K Neutral White - 10000 Hours - Amazon.com
Satco 13-watt Pin-based Compact Fluorescent Bulb - 13 W - 800 lm - T4 Size - Warm White Light Color - GX23 Base - 12000 Hour - 4400.3°F (2426.8°C) Color Temperature - 82 CRI - Energy Saver - 1 Each - Thomas Business Center Inc