The MEC ME449 3/4″ NPT Liquid Transfer Propane Evacuation/Shut Off Valve is a high-quality industrial plumbing fixture designed for efficient and reliable propane handling. This valve, manufactured by MEC, is specifically sized at 3/4″ NPT to accommodate liquid transfer and evacuation tasks with ease. Whether in a commercial setting or industrial application, this shut off valve provides a secure and effective solution for controlling propane flow. While it may not come with a box, its performance speaks for itself in ensuring smooth and precise operation.