Polished Cotton Wick 12.7mm (1/2 inch) Full Roll 114.3m

Full Roll 114.3 metre (125 yard) spool of 12.7mm (1/2 inch) wick to suit wet bulb thermometers.

• Ready to cut and use
• Full Roll only
• Flat, white, hollow, polished cotton
• Suitable for wet bulb thermometers
• As this is new cotton it is best to pre-wash and dry your wick or rub the cotton between your clean fingers to remove coating before use
• Used to measure Relative Humidity in your incubator
• Available to order if not in stock - contact us for more information
• Manufactured in the USA

Understand more about wet bulb and humidity.