0.5M/1M General RD40 R40 Interface 40mm Connection Air Flow Pipe Rubber Tube for Gas Mask Respirator Equipment System

Gas mask long tube respirator special pipe1. Ergonomic design cuff provides a secure seal and is easy to grasp and remove from mask/machine.2. Provides unhindered air supply even when the mask hose is bent and folded.3. Corrugated design, with good scalability and pressure resistance.4. It is 20% lighter than standard tubing and many times more flexible, making it the perfect choice for smaller, lightweight masks that have easily disturbed seals.5.Material:Natural rubber+Nylon+Alloy6.Length:50CM;100CM;500CM7.R40 Connection Interface (40MM in Diameter)