Sera O2 Oxygen Test

$19.99
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Quick breathing at the water surface is an unmistakable sign for an oxygen deficiency. Unfortunately, it may then already be too late for acting appropriately.

The sera O2-Test monitors the actual oxygen level in the water within minutes and allows for acting in time. sera O2 plus provides quick oxygen supply.

Sufficient for approx. 60 measurements.

Vendors: Sera SKU: