Filter Material: Washable, Reusable Sew-In Lab TestedRegular price $10.00
Filter material has been lab tested with 77-82% particle filtration efficiency at <.1 micron after 50 washes. Ideal to line fabric facemasks.
Material is 60cm wide.
**This listing is for 1/2 meter** For a full meter, select quantity '2'.
Shipped from Ottawa, Canada