The E40 ceramic cap is used in all lighting equipment for indoor cultivation.
What bulbs are compatible with this socket?
Compatible bulbs are all High Pressure Sodium (HPS) or Metal Halide (HM)
From 100 W to 1000 W.
The ceramic cap comes with a support at the base with which it is fixed to the reflector (it is the same one used by the cooltube) but it can be removed to fix it to your liking.
Ratings
Not yet reviewed