Hi all, I have an air cooled 8'' 1000 watt HPS with a 8'' vortex fan (747 cfm) for exhaust and here's my plan: (intake from inside the flowering chamber to rid smell and vent heat simultaneously) intake fan-->carbon scrubber-->light hood-->vortex-->exhaust. My question is I have a 148 cfm 4'' Dayton Blower from an old grow, can I use this as my intake fan? People say you can use a smaller cfm fan as your intake vs. exhaust, but I don't know if this is enough. Furthermore, how would I hook up ducting to a 4'' intake fan to a carbon scrubber, and then to a 8'' air-cooled hood? Thanks everybody!