Rothenberger 3.5652 Primus Adaptor – Versatile Connection for Gas Torches The Rothenberger 3.5652 Primus Adaptor is a high-quality accessory designed to fit Primus 2000 and Calor 340 gas cylinders. Engineered for seamless compatibility with Rothenberger torches such as the Jet Torch, Rapid Fire, Quick Fire, Superfire 2, and Microfire, this adaptor ensures secure and reliable connections for professional and industrial use. Key Features Wide Compatibility – Designed for use with Rothenberger torches, including Jet Torch, Quick Fire, Superfire 2, and Microfire.