Accuracy is within 0.5% CO2 or 02;Test gases up to 850 Degree Fahrenheit;Replacement part for Pyrite CO2 and O2 Testing Kit;Image shown may NOT be accurate - Some show devices instead of parts; This is a PART, not the whole device

• Bacharach 0011-0109 Fyrite Bezel Gasket

Bacharach 0011-0109 Fyrite Bezel GasketBacharach