Innovative Scuba Concepts MIFLEX High Pressure Nylon Braided Hose HO4336 Diving Regulator 30% lighter than an equivalent length rubber hose and have unmatched flexibility. You can tie a Miflex hose in a knot and be assured of continuous, uninterrupted airflow Every hose is subjected to more than 30 performance and safety tests to receive the EN250 Certification. Hoses come in a premium packaging that doubles as a water resistant document wallet and are covered by a 24 month limited warranty