When it comes to lighting, Mirabella has been lighting up Australia since 1960, so light up your home with this Triphosphor T8 bulbs. They are a high-quality, energy saving light source for your warehouses and garages. Triphosphor technology provides better light quality than traditional fluorescent lights. Each bulb output 18 watts of energy while emitting 5000K cool white light to improve visibility--saving you time and money.