Refill for 20 to 120 Fahrenheit Sling Psychrometer - Model #736710
These refill tubes use a red liquid and are specifically made to work with our high quality Sling Psychrometers.
Refill for 20 to 120 Fahrenheit Sling Psychrometer - Model #736710
These refill tubes use a red liquid and are specifically made to work with our high quality Sling Psychrometers.