These need to be high-poweredindustrial inline duct fansso they can move a lot of air efficiently. The exhaust fan must be able to handle static pressure in the range of 0.5"-0.75" created by the filter. When shopping, you must refer to the pressure curve to pinpoint CFM delivered with...
No Crystal, an inline (draft) booster will not make a too-short chimney safe. If your homeowners association wants the chimney shorter and that change would make make the chimney unsafe, you need simply to document that with authoritative citations and a comment from your local building or fi...