BIODEFENSOR MERV 16 Filter Material Roll - Made in USA - DIY Cut to Fit Face Mask Filter Inserts - Breathable Non-woven Polyester Polycarbonate - 95 Percent Efficiency.

MAKE YOUR OWN COVERS Stay safe and comfortable by ensuring a steady supply of protective mask inserts. Measuring 16 x 48 inches, this roll can be used to make a large amount of filter inserts. ENHANCED PROTECTION Our MERV 16 filter replacement is capable of blocking dust, contaminants, and other particles as small as 0. 3 microns. This gives you ample protection for whenever you head outdoors. CUT TO A PERFECT FIT Are you tired of dust mask replacement filters that are too large or small. With this handy MERV 16 filter roll, you can always measure and cut out a perfectly sized insert. FIRST CLASS QUALITY This MERV 16 filter for homemade mask features three layers of media for optimum efficiency, which have been pinsonically welded together. It is hospitalgrade and made in the US. SATISFACTION ASSURED We want our customers to be thrilled with their purchase.