ok so i needed a cooltube and a vent system but i didnt have enough money for a blower. so i decided to build a makeshift. i purchased 2 of these fans and got a 4inch duct. my plan was to have one fan on the other end blowing in and another at the other end blowing out. would air flow be sufficeitn enough to reduce the heat to a safer degree?? or am i wasting my time and should get my ass a blower. as for the smell ive heard of pinesol and a small bucket with airstones work great.