Arm Band + Extension tube + Tubing Joint
1. Airpro Mask Arm Belt Strap, Fit for arm size to 14 inches;
2. 6 inches short air Hose and tube to tube joint, extend air hose to fit your use.
The Air hose should be check before wear the Airpro hose, clean, and disinfection when you replace the mask. the hose should replace if damaged or lose on the connector.