question iam running a floralux hps in a dr120 my floralux has one exhaust hose in the front of the lamp i was wondering how could i run my exhaust fan with filter through the bulb and filter....any suggestion would be nice i dont know if i have to get to seperate inline fans one to light and one just for the exhuast or do i put blower in the lamp and run the exhaust through a filter.....:jaw:the 400 what hps floralux is not a cool tube it only has one hole dont know if i should use a blower to keep the light cool... and get a inline exhust for the filter.....would that be a nice controlled environment for my grow room first time using one of these lights usually use cool tube.