Cool Tube6" Cool Tubecool, compact & efficient! The quality construction features a highly reflective specular aluminum interior reflector, for directing light more precisely over a growing area. The securely mounted 5KV mogul socket is completely prewired inside a protective junction box. The multi point hanging system allows the unit to be hung horizontally or vertically for different growing situations. Included is the exclusive Lock & Seal 15' 600V heavy