Polypropylene Delta Aire HS 95 filter inserts for use with cotton face mask. 

Fits in both Small & Medium Masks. 

Layers - Multilayers with spunbond-meltblown-meltblown-spunbond (SMMS) layers

DO NOT WASH FILTERS- You can mist with hydrogen peroxide and set in sun to dry for repeated use

These filter inserts do offer filtration of particulate matter and viruses up to .3 micron and utilize the same type of fabric used in medical grade N-95 masks. For use with woven cotton mask covers can be washed which is one of the best defense mechanisms for killing viruses. It is not recommended to wash these inserts.

Specifications
Country of Origin: Made in USA

*Disclaimer: Returns are not accepted for this product for hygiene and safety purposes. Please read more at our mask disclaimer page.