TBE LIGHTING 28w 2D 4-PIN CFL Energy Saving Lamps - DD Fluorescent Bulbs - 4 -Pin GR10q Base Fittings - Long Life Lamp, Day Light White 6500K (Single Unit) : Amazon.co.uk: Lighting
Norman Lamps F382D/835/4P-38W Soft-White 3500K - Watts: 38W, Type: 2D Fluorescent Lamp, Color - Amazon.com
2D 28w GR10q 4pin Energy Saving Bulb Lamp 4000k Cool White 10-12,000 Hours : Amazon.co.uk: Lighting
Technical Precision Replacement for Ge General Electric G.e F382d/835/4p 38W Compact Fluorescent Bulb with GR10Q-4 4 Pin Base - 2D Bulb - 3500K Soft White - Energy Efficient - 1 Pack - Amazon.com
GR8 2pin led Bulb 16W Replacement for 28W 2D GR8 Linear Fluorescent Bulb (Warm White:3000K) - Amazon.com