The 4 in. Y-Fitting Dust Hose Connector is perfect for expanding your dust hose collection system, boosting its efficiency, flexibility, and effectiveness. Use this tight-fitting connector to create a dual hose branch from a single main hose line, enabling you to connect 2-machines or hoses directly to the dust collector's main hose. This 4 in. blast gate improves your workshop's dust collection system by regulating airflow between machines, without the common issues of low-quality metal blast gates. Its single-body molded construction ensures a secure, gap-free fit, eliminating air leakage and suction loss. The seamless sliding gate operates smoothly and securely. The ramped design prevents clogs, enhancing workflow and consistent results. Our coupler ensures an airtight connection between two 4 in. dust collection fittings or hoses. It includes standard hose clamps, eliminating the need for duct tape or screws. This reusable accessory allows you to interchange fittings and connect adapters, keeping all your dust collection tools connected. Upgrade your woodworking dust collection system today.