Light System Cooling Kit food-storage extruded aluminum alloy chassis and

extruded aluminum alloy chassis and integrated passive heatsink for natural convection thermal management (zero moving parts)

The RH sensing element is protected against dust

Head and Fitting Material: Pumps Resin

amino acids and molasses combined to yield a specific ratio of available phosphorus and potassium

Their EC motors are highly efficient

Light System Cooling Kit food-storage extruded aluminum alloy chassis andThe 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).