I am going to be making a grow room using a bookshelf frame (2.5'L, 1.5'W, 5.5'H) wrapped in panda film, that should be good enough for 3-5 white widow plants right?

I also need to know if this carbon filter with a 240 CFM fan be adequet for an exhaust system?

8 X 14 ACTIVATED CARBON ODOR SCRUBBER WITH 240 CFM

...or can i go smaller with this filter using a 130 cfm fan?

6 X 14 ACTIVATED CARBON ODOR SCRUBBER WITH 130 CFM FAN