which of these fans?

hi i have a small room about 1 meter wide 2 deep and 2 high,which of these,should i get,
http://www.screwfix.com/prods/11640/Heating-Cooling/Extractor-Fans/Manrose-Axial-25W-Kitchen-Fan#

http://www.screwfix.com/prods/32270/Heating-Cooling/Extractor-Fans/Xpelair-DX100-Axial-12W-Bathroom-Fan
the first one is a kitchen fan rather than a bathroom fan,maby it wont like it if the grow room is too humid,which i dont think it is,the second doesent have the cfm rating of the first,but is half the wattage to run,cheers
 
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