Description
No pre-stretching needed
Human coronavirus 229E is a recognized testing surrogate for SARS-CoV-2 which causes COVID-19
Very high fluid & droplet resistance
Premium masks imported from China
Meets OSHA's testing requirements for respirator performance
3M Resuable Respirator Exhalation Valve Filter (604) - 1 Piece Gloves No pre-stretching needed3M 604 Exhalation Valve Filter for use with the 6000 series Half Face respirators that we sell. Specifically for 6100 (Small), 6200 (Medium), or 6300 (Large) size respirators.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
