3M 90563-5DC Adjustable Folding Earmuff, Black, NRR 25DB HELLOFALL10 This is the same CO2

This is the same CO2 that humans exhale

heavy traffic in 24 hours

The 25 CC 2-Cycle Gas Engine is both lightweight and powerful with air stream speeds up to 200 MPH and clearing power of up to 430 cubic feet per minute (CFM)

round vertical ducting or as non-ducted with air recirculation

3M 90563-5DC Adjustable Folding Earmuff, Black, NRR 25DB HELLOFALL10 This is the same CO23M Folding Earmuff is used to help protect ears against noises at or exceeding 85 decibels, conveniently folds away for easy storage and has a Noise Reduction Rating (NRR) of 23 decibels. Fully adjustable and comfortable, 3M Folding Earmuff is a great choice in hearing protection for both the pro and DIYer. Reusable hearing protection Features black cups Folds for easy storage Fully adjustable Comfortable and lightweight Padded cups for comfort Folds