Replacement PM 2.5 Carbon Filters by Coal are 5x layered to protect against fine dust and debris, second hand smoke, viruses, and bacteria. Use with our Ergo Face Mask for everyday safety and comfort.

• 120x80mm standard size, fits our Ergo Face Mask with Filter Pocket.
• 5 times layered, made from non-woven fabric and active carbon.
• Layers protect against micro-particles, dust, debris, smoke, virus and bacteria.
• Recommended to replace 1-2 times a week, every 7 uses, or as needed depending on how often you wash your masks.
• Not washable, remove filter prior to washing your mask.