3M™ Formaldehyde Monitor 3721+ is a cost-effective and convenient way to perform personal air sampling for formaldehyde and certain other aldehydes.

It is easy to use – clip it to your shirt lapel, collar, or pocket without interfering with your work activities. No batteries, hoses or pumps or needed to use the monitor to sample your air.

• State of the Art Monitor Design
• Simple, cost-effective and convenient
• A valid method for air sampling and analysis of formaldehyde and certain other aldehydes
• Easy to use. Just clip the monitor to shirt lapel, collar, or pocket
• Unobtrusive. Monitors are small and lightweight and will not interfere with employee activities
• Documentation for industrial hygienists and IH labs available upon request
• Analysis is not included