This Duotight push - in fitting is perfect for anyone working with gas lines or beverage systems, such as plumbers, bar owners, and DIY enthusiasts. You can use it to connect gas lines to regulators and manifolds in home kitchens, commercial bars, or industrial settings. It has a size of 9.5 mm (3/8 in.) x 1/4 in. BSP, and it's super easy to install and remove, making your connection tasks a breeze.