The High Frequency control gear in these fittings, makes them ideal for areas where a high concentration of lights operates for prolonged periods. They offer exceptional quality, fluorescent fittings, at an affordable price. High Frequency Control Gear A High Frequency circuit provides distinct advantages over other circuits commonly found in fluorescent fittings. It results in a low heat output, instantly saving Approx. 20% of the energy used by the same lamps in other circuits. Lighting is completely flicker free & silent, creating a more pleasant working environment than with switch start fluorescent lights. Energy efficient & long life lamps Use the included T8 tubes for long life lighting, which has an average life of up to 9, 000 hours. If used for as much as 12 hours a day, it will still be 2 years before you have replace a lamp. With a 'B' energy rating you can rest assured that these tubes are energy efficient, to help lower your electricity costs. Choice of fittings Our cost effective twin fittings provide twice the lighting power of our single fittings for very little extra outlay. Choose 5ft or 6ft battens according to your budget & lighting requirements. Easy to install & maintain These lights are supplied with efficient, T8 fluorescent tubes included for your convenience. The click-in lamp holders save you time, as they allow you to install & replace tubes quickly & easily. Buy from Lyco Lyco has been trading for almost 15 years, so we have a wealth of knowledge & experience when it comes to selecting great quality light fittings. This means you can be sure that these High Frequency Fluorescent Fittings are of the very highest standard.