This cool white coloured fluorescent T5 tube light bulb has been coated with a our shatterproof protective sleeve/coating which is IEC 61549 compliant and is identified with a dual green band. The sleeve encompasses the tube making it essential for use in environments where you may be concerned about the possible costly consequences that a broken tube could cause.Slimline high output (HO) fluorescent T5 tube light bulb. Ideal for use in offices with high ceilings and for applications where a high luminous flux is required. For use with electronic control gear only. N.B. Listed as a 849mm tube but is actually 862m INCLUDING the pins.Fitted with standard G5 2-pin (5mm apart) caps to both ends. Need more help in choosing a suitable fluorescent tube? Read our guide Choosing Flourescent Tubes and our guide to Flourescent Starters.