Suitable for use in offices, shops, reception areas, restaurants, hotels, schools, hospitals Low glare rating of 22 TP(b) rated diffuser in accordance with BS2782.0:2011 Method 508A LED replacement for 4x18W T8 lay-in modular Fits into standard sizes of ceiling grid - 15mm and 24mm Wide operating ambient temperature range of -20°C to +40°C 50,000 hour average lamp life. Up to 5 times that of a standard fluorescent lamp Very high efficacy of 104lm/W Suitable for switching by PIR, Microwave or Photocell