DELTA AP050 Shopmaster 4-Inch Dust Collector Connector Pack Dust collector connector pack lets you use one dust collector with multiple machines Helps keep your work area safer and cleaner Includes 4-inch by 20-foot hose, elbows, T connectors, quick connectors, blast gates, hose-to-hose connectors, clamps, and other hardware Hardware packs for wall clamps, screws, anchors Allows one dust collector to be used with multiple machines