Features and Benefits:

• Dual purpose set
• Use the black diaphragm chamber and screw-in metal probe to detect mechanical sounds from bearings, engines, transmission, etc.
• For air induced sounds, attach the vinyl hose to the hollow tube and funnel assembly
• The funnel amplifier will detect noises from vacuum leaks, exhaust leaks, air leaks and wind noise
• For hard to reach locations, remove the funnel and use the hollow tube

Place funnel over suspected air leak. Detects air induced sounds not detected by conventional stethoscopes.