.Mercury Manometer with 300mmHg Scale.Pole Supported by Internal Spring.Reservoir Lock Secures Mercury When Instrument is Not in Use.3-Leg Zinc Alloy Caster Base.Adjustable Height from 40" to 45"
.Mercury Manometer with 300mmHg Scale.Pole Supported by Internal Spring.Reservoir Lock Secures Mercury When Instrument is Not in Use.3-Leg Zinc Alloy Caster Base.Adjustable Height from 40" to 45"