Cool-Tube, 125 mm connection, with reflector, lenght 890 mm, for 2 lampsCool Tube a glass tube with connection for 125mm flexible tube. Lenght 890 mm, for 2 lamps Attach a small fan and it will blow the hot air from the lamp away. The temperature rise of the lamp will thus be reduced by 30 40%. The lamp can also be brought nearer the tips of the plants. Ideal for rooms where chains of lamps are needed.