WEINMANN CPAP Tubing is designed of high quality materials that enable a constant flow of air between you and your CPAP machine. They come in the standard length and are compatible with all machines. WEINMANN CPAP Tubing is latex free and features smooth construction on the inside of the hose. This smooth design allows for constant air delivery to your CPAP machine. WEINMANN CPAP Tubing features high-quality construction to specifically allow a constant flow of air while maintaining air pressure. This constant air delivery system gives you greater air flow while you’re asleep. The smooth design also means the hose is quieter. WEINMANN is German made and is a TGA registered medical device. Features a “”smooth bore”” design and moulded plastic exterior for rigid support Material is latex-free and intended for medical use.