These sterile filters are for use with our re-usable ecycle masks. Simply insert into the side pocket and viola! An added layer of protection. Truncated oval shape with small side seam for insertion purposes. See our handy guide for how to use. These are not for reuse. Do not use the same filter longer than 7 days. This is the only time we will ever tell you to throw something away. Please use and dispose of it responsibly.
00% Polyester Ultrafine Meltblown Non-Woven Fabric
≥95% Bacterial Filtration
<4% Differential Pressure (Breathable)
Filters measure 7 ¼” x 4 ¼”