18 Watt Single Turn L Type Lamp with a 4000K Colour Temperature and 10,000 Hour Life. Commonly used in Bulkheads and Undercabinet Lighting in Kitchen and Bathroom Fittings, etc. Suitable for dimming and use in emergency luminaries. This bulb is Internally fused for safety. Note: This bulb requires a ballast for use Main Features 10,000 hour life 4000K cool white SPECTRA-PLUS Triphosphor coated for excellent colour rendering, high output and longer life Suitable for dimming and use in emergency luminaires Separate ballast/control gear required Internally fused for safety Energy Raiting B Technical Specification: Watts: 18 Voltage: 240 Cap Type: 2G11 Colour appearance: Cool White Colour Temperature(K): 4000 Initial Lumens: 1206 Diameter: 44mm Length: 226mm Specification Sheet 1 Year Guarantee Included