STAUFF Aqualine Plugs are designed for water-based applications, offering reliable solutions for a variety of uses. These service plugs are ideal for sanitary and plumbing works, as well as heating systems, boilers, and radiators. Whether used indoors or outdoors, STAUFF Aqualine Plugs ensure durability and efficiency in all hose and piping systems. As part of the STAUFF Connect range under Tube and Fittings Accessories, these manual tube processing tools are essential for maintaining and enhancing water system performance.