Winters PEM Series Steel Dual Scale Economical All Purpose Pressure Gauge with Brass Internals, 0-100 psi/kpa, 2" Dial Display, +/-3-2-3% Accuracy, 1/4" NPT Bottom Mount auspowers_batchone smooth surfaces makes the washer

smooth surfaces makes the washer flip tops look neat

Eisco Labs Small Anemometer

and plastic for the protection you need to get the job done

Fits over most standard interior doors

5 colors help you distinguish them well when doing testing

Winters PEM Series Steel Dual Scale Economical All Purpose Pressure Gauge with Brass Internals, 0-100 psi/kpa, 2" Dial Display, +/-3-2-3% Accuracy, 1/4" NPT Bottom Mount auspowers_batchone smooth surfaces makes the washerWinters PEM Series Steel Dual Scale Economical All Purpose Pressure Gauge with Brass Internals, 0 100 psi kpa, 2" Dial Display, + 3 2 3% Accuracy, 1 4" NPT Bottom Mount The Winters PEM series pressure gauge with brass wetted parts has a circular dial enclosed in a steel case and a male connection, and measures pressure with a dual scale (psi kPa) (Hg. vacuum kPa) with an accuracy of + or 3 2 3%. The brass wetted parts are for measuring non corrosive