5x Sample Tube Extension for Testing M40 M42 Gas Mask TSI INC

Description

These 3", 1/4"OD tubes feature a 90 degree elbow on one end. They are all new in package. Based on our research, they are used with the TSI gas mask testing machine. The NSN description reads, "Used to extend drink tube mouthpiece up into the eye region of the mask."
Feel free to ask questions.  I only ship to US.
B2