Prosphyg* Pocket Aneroid Sphyg, Contemporary black enamel 300mmHg manometer provides day-in, day-out dependability exceeds industry standards, Chrome-plated brass air release valve, Not made with natural rubber latex, Meets or exceeds ANSI/AAMI/ISO 81060-1
Calibration Test Kit, Y tubing with inflation bulb, valve, and various connectors to permit testing of accuracy for aneroids or mercury sphygs against unit of known accuracy, Not made with natural rubber latex, Assembled in the USA