Xtrasun Air Cooled Reflector - 8 Inch The Xtrasun series offers excellent performance at a cost effective price Solidly built and compatible with all Hydrofarm or Xtrasun ballasts Bright & broad light delivery, super air coolable built in 8" flanges, and low profile design Highly reflective specular aluminum and built in socket and cord set 5 year warranty on reflective materials