Bosch RA1175 Edge Forming Dust Extraction Hood for 1613, 1617, 1619, and Mr23-Series Routers For use when edge-forming Hose port angle maximizes collection efficiency, keeps hose out of the way Connects to 35 mm vacuum cleaner hoses, plus 1-1/4-Inch and 1-1/2-Inch hoses when included VAC002 Adapter is used