Add to Cart Quick view Kahl Scientific ML-450/B/UM Psychrometer Gemware Electro-V with Storage Case Kahl Scientific Was: $56.00 Was: $134.00 Kahl Scientific Instruments ML-450/B/UM Psychrometer Gemware Electro-V with Storage Case Condition: UsedThis used laboratory device has been inspected and appears to be in 9613 SKU: 9613 Weight: 8.00 LBS