Pictures!! 250 or 500 cfm booster Fan?? Cooling 400 watt sealed hood

I am setting up with CO2 and have a sealed hood with 4 inch flanges on its sides. I am wondering if one of those booster fans from home depot would be enough. They are either 250 or 500 cfm and my space in only 35 ft3. I am also going to put a carbon filter on it so I will lose a bit of power. Should I use this fan to pull or push air around the hood? Will I just need to use a single intake/outake ?

You will get some airmovement with that but I would recommend going with a can-fan---vortex----or anything other than those duct fans---they just don't work well under static pressure.

DR. VonDankenstine said:

You will get some airmovement with that but I would recommend going with a can-fan---vortex----or anything other than those duct fans---they just don't work well under static pressure.

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Thanks for the help! I would love to buy a can fan or vortex but all my project funds have already been depleted by my hps purchase

You say they do not work well under static pressure, what does that mean exactly? If I had ducting hooked up to two places on the hood and had both an intake of fresh air and a venting of hot air would this work? What would be the best way to do this. Pushing fresh air into the hood or sucking the hot air out. If I get the 500cfm fan I should just need to hook up one right? Thanks so much for your help