[PSUBS-MAILIST] air filter?

[roberto alvarez via Personal_Submersibles]

Hi, i found a video about an room airfilter and describes how the zeonite
sand acts removing the N2, then i look at a boat blower ( attwod sealed 300
cfm 12 v ), will this in junction with the fridge filter with zeonite, can
this be a good  cabin filtration system?
the Co2 , how can be removed?
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