Wick 6.35mm (1/4 inch) Roll 228.60 metres

Full 228.60 metre (250 yard) spool of flat woven cotton, 6.35mm (1/4 inch) Wick suitable for wet bulb thermometers

• Ready to cut and use
• Full Roll only
• White, flat, hollow polished cotton
• suitable for wet bulb thermometers
• Used to measure Relative Humidity in your Incubator
• As this is new cotton it is best to either pre-wash and dry or lightly rub cotton between clean hands to remove the new, shiny, coating before use
• Available for order if not in stock, contact us for more information

​Understand more about wet bulb and humidity.