Xtricity Compact Fluorescent T2 Spiral CFL Energy Saver Light Bulb, 9W (40W Equivalent) 120 Volt, 520 Lumens, 5000K Soft White, E26 Medium Base, RoHS Compliant & UL Listed, (Pack of 4) :
Philips LED 433557 Energy Saver Compact Fluorescent T2 Twister (A21 Replacement) Household Light Bulb: 6500-Kelvin, 23-Watt (100-Watt Equivalent), E26 Medium Screw Base, Daylight Deluxe, 4-Pack : Amazon.co.uk: Home & Kitchen
11W (=65W) Energy Saving Spiral CFL 2700K Warm White colour Light Bulb E14 Small Edison Screw SES Cap, 10 Years, 10,000 hours compact fluorescent by Lowenergie (1) : Amazon.co.uk: Lighting