POWERTEC 70106 4-Inch Y-Fitting Dust Hose Connector. The durable 4" Y-Fitting Dust Hose Connector is the ideal solution for expanding your dust hose collection system, thereby optimizing system efficiency, flexibility and effectiveness. Use this sturdy, tight-fitting connector to facilitate a dual hose branch (connection) from a single main hose line. This handy component allows you the ability to connect two separate machines - or two hoses from the same machine - directly to the dust collector's main hose. Our premium airtight fittings help ensure that potent dust and debris is extracted and sucked straight into your dust collector, and clear, clean air is returned into your workshop environment. Allows your dust collection system the capacity to service multiple machines. Make it perfect with POWERTEC fittings - streamlined, simple to use, versatile!. Color Family: Black. Dust Collection Accessories Type: Dust Extraction Kit. Dust Collection Product Type: Accessory Kit. Returnable: 90-Day. Tools Product Type: Air Tool. Dust Collection Accessories Type: Dust Extraction Kit