These are the only heat shields I have ever seen, and they go around the reflector.
Attachment 281636
I personally wouldn't think you would want anything below the bulb except for the plants.
JSG.
JeffersonStateGrower Reviewed by JeffersonStateGrower on . Heat Shields - Waste of money or an essential purchase? I am planning on buying an HPS light, was wondering if I should get a heatshield? I would like to hear peoples opinions on them. Rating: 5