Handi+ Oxygen Monitor by Maxtec 

Delivery: allow 5-7 business days

This small and durable spot check oxygen monitor is the ideal device for quick checks of your effective altitude during training. Its simplicity of use and affordable price of the Handi Oxygen Monitor make it an easy addition to any system.

Features:

Easily connects to our Maxo2 oxygen hose to test purity.

One touch calibration

All-in-one sensor and analyzer design

to off function for energy maintenance (expected battery life - 4 years)