Fire Weather Kit Psychrometric Slide Rule

Price: $13.00
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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).

*Special order items will have an asterisk before the configuration description (4X Large, Tall, etc.). Special order items are non-stocking, will be back-ordered and are non-returnable/refundable. Please ensure that the sizing/configurations are correct prior to ordering these items.