Face Mask Filters - Polypropylene Plus - Disposable
These disposable filters are made of a three-layer lightweight composite filter media consisting of a polyester spunlace layer, tight network of FDA certified polyurethane nanofiber layer, and polypropylene spunbond layer.
These are disposable filters and should be replaced and disposed of after use.
4 1/2" X 4 1/2"
Insert filter in bottom of our masks, trim if necessary to fit your mask
One time use only, do not wash, discard after use
Spunbond : (Polypropylene ) (Shallower bond points - face inward)
Network of FDA Certified NanoFiber Technology (Polyurethane Polymer)
Spunlace : Polyester (Deeper bond points - face outwards)
According to manufacturer's data, insert efficiency is 95% efficient at 0.3 microns
- Due to hygiene and sanitary reasons, ALL SALES ARE FINAL, NO RETURNS.