T5 High output lamps have an extremely high lumen per watt rating 2000 lumens per lamp 22 watts=90.91 lumens/watt.
*Reference Point: an F40 cool white lamp: 1260 lumens per lamp 440 watts =31.5 lumens/watt
T5 Lamps have very low heat factor which allows the fixture to be hung very close to plant canopy, thus raising light levels.
Use all 6500 K Cool spectrum lamps for ideal vegitative growth.
Use an equal combonation of 6500 K Cool & 3000 K Warm spectrum Lamps for full term and Flowing.
*All our lamps have a 1 year warranty.