Yeah, but just keep the light separate so it doesn't shine through the duct. What are you doing with 1000w MH if you only have 1000w of hps?so if i have two 1000 watt convert. HPS MH lights can i use one hydrofarm 6" inline duct fan extract the air from my 8x8 grow room through a duct run through both light fixtures then to the inline fan then into the wall to remove the heated air????