For connecting 2 dust producing devices. Via selection switch individually adjustable to one or two extraction openings. Tool free and fast connection
1 Extractor Switch incl. 4 mufflers (without hose), suction fittings, interior/exterior 35 mm / 40 mm (1.38″ / 1.57″), muffler interior/exterior 38 mm / 46 mm (1.50″ / 1.81″)