The BT Weld / Tecmen Hose (V1HO-TM3-00) is a high-quality replacement hose, designed for use with the Tecmen PAPR (Powered Air Purifying Respirator) systems. This hose comes complete with an O-ring, ensuring a secure and airtight connection between your PAPR unit and respiratory accessories. Ideal for providing efficient airflow and protection, it is an essential part of the air-purifying system to maintain safe and breathable air in welding and industrial environments.