Big Horn 4 in. Hose Quick Disconnect is designed to attach effortlessly to the end of a 4" flexible hose and press on securely to any 4" outer diameter dust hood, providing a quick and easy friction fit. This product is i for use with smaller capacity, mobile dust collectors that service multiple machines. It eliminates the hassle of connecting and disconnecting a hose clamp each time you switch to a new woodworking machine, ensuring a secure and airtight connection every time. Model Number: