OK i was looking at these guys filters... any opinions?

eBay Store - FOOTHILL FILTERS: CARBON SCRUBBER, UNWANTED ODORS, HYDROPONICS

and also can i push air through these? i want to be able to use the same fan to cool my grow light and filter the smell through the filter!
heres what i was looking at for my small closet:
ACTIVATED CARBON CHARCOAL AIR FILTER ODOR SCRUBBER - eBay (item 180195197319 end time Jul-11-08 00:17:19 PDT)

thanks!
dj00140 Reviewed by dj00140 on . FOOTHILL FILTERS??? OK i was looking at these guys filters... any opinions? eBay Store - FOOTHILL FILTERS: CARBON SCRUBBER, UNWANTED ODORS, HYDROPONICS and also can i push air through these? i want to be able to use the same fan to cool my grow light and filter the smell through the filter! heres what i was looking at for my small closet: ACTIVATED CARBON CHARCOAL AIR FILTER ODOR SCRUBBER - eBay (item 180195197319 end time Jul-11-08 00:17:19 PDT) thanks! Rating: 5