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3M™ 3500 Organic Vapor Monitor 70070032142

The 3M™ Organic Vapor Monitor 3500 uses the proven scientific principle of diffusion, which is the gradual mixing of molecules of two or more substances.

3M™ 3520 Organic Vapor Monitor 70070061992

The 3M™ Organic Vapour Monitor 3520 is suited for compounds for which activated carbon shows limited capacity. It has the accuracy of +/-25% at a 95% confidence level for many workplace contaminants. The analysis is not included.

3M™ Ethylene Oxide Monitor 3551 70070071397

3M™ Ethylene Oxide Monitor 3551 uses the proven scientific principle of diffusion, which is the gradual mixing of molecules of two or more substances. It has an 18-month shelf life.