Mask Filters (Inserts)
Pre-cut Original Filti fiber Technology. This product is strictly the mask inserts, you will still need to buy the mask. Sold separately.
Dimensions per individual insert : 4in x 6in
Spunbond : (Polypropylene ) (face inward)
Network of FDA Certified NanoFiber Technology (Polyurethane Polymer)
Spunlace : Polyester (Face outwards)
Total Thickness: 1 mm
Weight: 2 oz ea.
Manufactured in the USA
Material is not electrostatically charged, it is mechanically efficient
Material does not contain: fiberglass or other harmful material to inhale
Air Flow: 60 pascals DP at 5.33 cm/sec face velocity @ 32 liters per minute
Efficiency: 95% efficient at 0.3 microns
Nanofiber network layer is hardly visible to naked eye