Palram CANOPIA BRIGHTON LED GROW LIGHT FULL SPECTRUM Mode D'emploi page 20

For Greenhouses Grand Gardener, Hobby Gardener, EcoGrow,
6
Prestige and Sun Room 6'+8' use screw #7442, as shown in
the Diagram b.
461 2 466 2 or 7442 2
Option 1
a
b