Air cooled reflector

Hi guys, about to start my first grow and even with all my reading and youtube videos, I am really confused about the ventilation. I am using a 600watt hps air cooled reflector. I have inline fan, ducting and carbon filter. Do I attach the fan and filter directly to the light? or do I vent the light completely separate from the filter and fan? TIA!

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You could do it either way if you have the room, but most people I know just use the one to vent everything.

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This is how I did it when I ran HPS. Air in to carbon filter -> ducting -> one side of air cooled reflector -> ducting out the top of the tent -> AC Infinity T6 exhaust fan sitting on top of tent -> ducting -> out the window with a a/c window exhaust kit

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