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Available while supplies last. Only 2 remaining. No returns or exchanges. Replacement Non-Mercury Thermometer for the Weksler Pocket Sling Psychrometer in F.
Converts wet and dry blub temperature into percent of relative humidity. Durable plastic, 7-1/4" long. 20-100 degrees F. 10-100% relative humidity. Fits Fire Weather Instrument Kit (PEC SFF3090).