Quartz, silica, glass.
Product Details Fabric Type 50% Rayon Origin Imported About this Item PREMIUM PROTECTION: Premium quality air filtration mask protects against dust, allergens, odors, pollutants, germs, and other airborne particles. 99.9% FILTRATION: Standard F1 Active Carbon filters are lab tested to remove up to 99.9% of particulates down to .1 micron in size. BREATHABLE MESH: The M2 utilizes a highly breathable, comfortable, and durable mesh fabric construction that helps to keep you cool on even the hottest summer days. MOISTURE REDUCTION: Dual one-way discharge valves reduce moisture inside the mask. Adjustable nose clip eliminates any fogging of your glasses WHATS INCLUDED: Premium M2 Mesh Mask with installed F1 filter and valves. Also comes with a spare F1 filter, storage bag and a user guide. Description The RZ M2 is the most popular RZ Mask. It features a highly breathable, comfortable, and durable mesh fabric construction. The M2 features a single strap hook-and-loop closure, aiding in quick installation and removal of the mask. Washable and reusable.