National Patrol PM2.5 Carbon Filter Replacement for Reusable Face Masks - 10/Pack

National Patrol 9A-FILTER Details

This PM2.5 carbon filter replacement for reusable face masks makes it easy to guarantee your face masks are always safe and ready to go. Swapping this filter with an old or used one ensures your masks are providing optimal respiration protection. Filters should be replaced every 1-3 days, or 16-24 hours during high intensity use, for the best level of safety. Because of their flexible design, it's easy to move these filters in and out of their compliant masks and adjust their position.

This filter ensures ultimate safety while remaining easy to breathe through thanks to its lightweight construction. It protects against fine and ultrafine particles, whether they are liquid or solid, decreasing exposure to environmental toxins like sulfates, nitrates, ammonia, and carbon monoxide. The filters are made with five layers: an anti-sticking cloth, filter cloth, activated carbon layer, second filter cloth, and second anti-sticking cloth. This filter is great for use in a variety of industries such as agriculture, manufacturing, and foodservices.

Overall Dimensions:
Width: 4 3/4"
Height: 3 1/4"