Indicates changes in air pressure quickly and accurately. • Once filled the air trapped inside the ...
**OVERSTOCK** H-B DURAC Glass Weather Ball Barometer 1 result
Featuring black lines and numbers, each unit is recalibrateable. Complete with hole for wall mountin...
H-B DURAC Barometers 2 results
Triple scale barometers feature readings in cmHg, inHg and mbar. Includes single scale thermometer a...
H-B DURAC Thermometer-Hygrometer-Barometers 2 results

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