WatchGas SST1 Replacement H2 High Sensor SST-SPARE-H2HR HEARING PROTECTION With the two-year BW Clip

With the two-year BW Clip for CO

The more time that the oils are in contact with the skin

ATMOS Technology for below freezing operation

Waterproof zipper closures

If you're using the alert-only variant

WatchGas SST1 Replacement H2 High Sensor SST-SPARE-H2HR HEARING PROTECTION With the two-year BW ClipWhen your H2 sensor drifts, you don't replace the whole monitor. You swap the sensor cell. That's the operational advantage of the serviceable WatchGas SST1 line. Traditional single gas monitors are single use when the sensor reaches end of life or a bump test reveals unrecoverable drift, the whole unit gets discarded. The SST1 platform is designed to be maintained: this WatchGas Replacement H2 High Range Sensor drops into the WatchGas SST1 H2