The principle that is put coolly tube been based on a glass tube over the lamp. This glass tube can be attached to a fan or an activated charcoal filter. Thus straight separates in small areas the heat problem.
Advantages that coolly tube
-
the plants need to place less distance from the lamp by the reduced heat
-
to special small and low areas now with the cultivation no more problem
-
the exhaust for the waste heat can smaller be dimensioned which again river and volume save
-
length approx. 49cm - ports on the right of and left in each case 125mm
-
inclusive. Version E40