I'm growing three Easyryders right now, day 33. They are already starting to develop a fairly stout odor, kind of a musky, earthy smell. Not really strong, but definitely distinct. I expect full flowering to be fairly stout. I'm lucky, though, that I live in the country, so odor is not as big a problem. Do you live in town, and are you exhausting outdoors? If so, filter is necessity. Remember this: smell is one of the key ways people (especially trained people) can detect a grow. If you live among others, get or build a filter. Don't be one of those people who later tell others to filter their exhaust so they don't end up in jail like you. As stupid as it is, marijuana is still illegal in most states. Don't forget that.