From the Manufacturer
The RA1172AT Dust Extraction Hood Kit includes all items important to to be used with 1617 and 1618 series fixed-base routers. It features a dust extraction hood to be used on flat surfaces, in addition to a hood for edgeforming. Also included is a vacuum adapter for connection to at least one-1/4-inch, 1-1/2-inch and 35mm hoses. Tool-free mounting hardware could also be included for every hood.
Includes dust collection hoods for edge-forming and flat surface applications.
Hose port angles maximize collection potency, assists in keeping hose out of the best way
Includes vacuum hose adapter to be used with 1-1/4″, 1-1/2″ and 35 mm hoses
Includes tool-free mounting hardware for every base.