100 Pcs Mask Gasket Disposable 3 Layers of Breathable Gasket PM2.5 Protective Mask Gasket for Men Women

Description

Disposable Mask Gasket: Use once to keep the inside of the mask clean and comfortable. This mask filter allows you to reuse your mask without having to worry about insufficient masks. Size: Filter size: 4.7 * 3.5 inches, compatible with most dust masks, easy to put in or replace. Widely used: suitable for civilian daily protection, pm 2.5 protection, clean and environment that needs dust protection and other respiratory protection Note: This is not a mask, but just a "mask gasket" How To Use: step 1: After washing your hands,take out the product step 2: place the mask pad in the mask to prevent slipping step 3: Install the mask pad,fit you and wear the mask correctly