Adult PM2.5 Activated Carbon Filter Replacements - 100 Pack

These are adult PM2.5 activated carbon filter replacements. It's a pack of 100 filter papers designed for anti-haze use. Each filter is made of 5 layers for effective filtration. They're suitable for use when you need an extra layer of protection. Smoke & pet free home. They’ve been kept in a sealed bag. Pickup is King & Niagara in downtown Toronto.