FilterTech® Liner 4 Pack

Details Sizing Specs FilterTech® Liner 4-Pack offers maximum protection for one month when you use one filter per week - which is recommended for average usage. ● 4 x filter max ultra protection filters Available in two sizes - please purchase the size that corresponds to the mask you are purchasing for best fit: ● XS/S is suitable for XS (coming soon) and S masks● M/XL i s suitable for our size M, L or sizeXL masks Any questions please visit the size chart ● FilterTech® Liners are inserted into our outer mask, via the coolmax lining pocket● Designed in Los Angeles, California ● Filtration: 5 layer filtration with second fully moldable nose bridge● Testing: Tested in verified Chinese laboratory with 95% filtering efficiency against particles down to 0.3μm in size● Usage: For general use only, not approved for medical use