20” x 20” Reusable Cobalt Chloride Moisture & Leak Detection Cloth

20” x 20” Reusable Cobalt Chloride Moisture & Leak Detection Cloth

Product Features

• 20″ x 20″ cloth can be cut to size and reused, enabling maximum versatility
• Large cloth size enables you to detect leak patterns in large spaces
• Let the cloth dry and everything not touched by water will return to blue so you can reuse it ~ it’s that easy!
• Color will change slowly when relatively humidity is over 55% and rapidly when the cloth is wet
• No color chart or other tools or equipment needed for accurate results