Dust collector size calculator
Machine makers state a dust port size and, often, the airflow they recommend at it. Tick your machines to see those figures side by side and the collectors whose makers state enough airflow to match the largest.
Dust collector size calculator
Tick the machines you own. For each one you will see the dust port and the airflow its maker recommends, the largest of those recommendations, and the dust collectors in our catalogue whose makers state at least that much airflow.
Tick a machine to see its figures.
Dust collectors whose cited pages state no airflow (not compared)
Every figure is the maker's own: a recommendation links to the maker page it was read from, and a port or airflow without a link is cited on the tool's page here. Collector makers state airflow under different conditions (some at the inlet with no hose or filter attached), so two stated figures may not be measured the same way. This page lists figures; it does not size a duct system.