T5 High Output Replacement Lamp

T5 high output replacement lamp. High Color Rendering Index (CRI). T5 produces a light of much greater strength than a conventional tube and, as a result, the energy input into the area being lit is much greater and the light penetration is far superior to anything previously available. Full spectrum lighting and 6400 Kelvins of lighting temperature. A Kelvin rating is based on "the rising sun" and 6400K's is giving you a 2:00 PM temperature. This means that it is ideal for the gardening enthusiast as it contains the perfect temperature and lighting spectrum to start seedlings, initiate faster rooting time on cuttings, assist in supplying long-term lighting for mothering plants and can ultimately add valuable supplementary lighting in flowering plants. Extra long life - 10,000 hours. Luminous Efficiency: 95 lm/W when operating at a temperature of 75 degrees and higher. Each box includes 4 lamps.