The chief of compatibility! This kit contains 4" flanges that will allow you to set  up air-cooling of two Powerhouse ballasts or a Daystar DAUN reflector, Radiant reflector, Xtrasun XT1AC reflector, or Sunburst system.

• Fits Powerhouse (all)
• Fits Daystar (DAUN)
• Fits Radiant - all vents
• Fits Xtrasun (XT1AC)
• Sunburst

Includes: 2 LG50023, 1 LG50027, foam, hardware, and instructions.

Requires a fan for cooling (sold separately).