3M 7500 Series Half Facepiece Respirator Size:Small Bump and calibrate with 1/2

Bump and calibrate with 1/2 the test gas and in 1/2 the time vs

rolling extremely small and expanding in the ear with less than average pressure

while they look like fun

Made from 11 oz thick fabric composed of 88% cotton and 12% high tenacity nylon UltraSoft fleece

Can be adapted to PAPR or Supplied Air for multiple work environments

3M 7500 Series Half Facepiece Respirator Size:Small Bump and calibrate with 1/2NIOSH Items: We only sell brand new respirators, filters, and dust masks from US based manufacturers. Since it can be difficult to determine if a respirator or mask has been used or even just tried on, for the protection of our customers, we do not accept NIOSH returns. The 7500 Series is 3M's best half mask and a favorite among workers who require a respirator for long periods of time or who require one for multiple projects. The 7500 Series