Made by Non-Toxic rubber, soft and durable.

1.Connecting to Direct-mounting Type Canister.
2.Connecting to Separate Type Canister with 0.5 meter length
       breathing tube and waist bag.
3.Connecting to 0.5 meter-length a breathing tube with an air
       adjuster. When the air pipe is longer than 10 meter, please use
        the electric blower unit