3M Exhalation Valve Assembly FF-400-07, 5 EA-Case 3M Face Shields This filter is NIOSH-approved N95

This filter is NIOSH-approved N95 particulate filter for respiratory protection against certain non-oil based particulates

a boom microphone to the left earcup

it helps enhance worker safety and productivity by enabling customized respiratory configurations

improved comfort during extended wear

Bitter is a qualitative fit testing solution designed to determine a user’s sensitivity to the bitter agent used in respirator fit testing protocols

3M Exhalation Valve Assembly FF-400-07, 5 EA-Case 3M Face Shields This filter is NIOSH-approved N95Exhalation valve assembly includes mounting seat and 3M Cool Flow Valve for use with 3M Ultimate FX Full Facepiece Reusable Respirators FF 401, 402 and 403.