3M Respirator Cleaning Wipes (100) nalgene research has shown that they

research has shown that they can be accelerated safely and significantly by the judicious application of heat

This filter replaces the FF-1 filter previously manufactured by 3M

Replacement covers fitted in minutes by hand with no tools required

These 18% Digital Gray Cards are spectrally neutral under all lighting conditions giving a true and accurate representation of the physical qualities of the light illuminating the card

3M Respirator Cleaning Wipes (100) nalgene research has shown that theyClean reusable respirators between uses. Wipe away dust, dirt and sweat. Alcohol free wipes won't damage masks. Pre moistened. Individually packaged. Safely cleans other reusable personal protective equipment.