These Philips brand 2ft 18w T8 linear fluorescent tubes with a G13 cap type have an efficient energy rating of A. Commonly used in kitchens, garages, office buildings and many other public area’s these slimline triphosphor tubes triple coating ensure increased light levels and extended lamp life. With an improved CRI rating and a colour temperature of 3000 Kelvin these long life tubes have an average rated life of 15,000 hours.