Carbon filter, buy the size that will fit you exhaust fan & for size of your room. It works & well worth the money.
BudLuv420 Reviewed by BudLuv420 on . getting rid of the odour yo cannabis dot com quick noobie q; what are the chances of my mate getting gripped? hes growing a small bunch ofplants for himself, only 3 plants total from his flat, its halfway up a high rise block. Got it vented out the window n theres about 15 flats above me, oops him i mean, and about the same amount of stories below. Risky? Was thinkin of buying him a mega powerful extraction fan for his birthday, setting that up then narrowing the exhaust toward the exit out the window to create a Rating: 5