20pcs Round Replacement Filters PM2.5 Anti Dust Haze For New Fresh Air Supply Face Mask Riding Pollution Purifying

Description

: Polyester PU sponge film pressing technology replacement Filters For  Electric Air Purifying Masks Quantity: 20pcs Main Material: High density polyester PU sponge Filtration Efficiency: 99.98 percent particles above 0.3 microns Replacement Method: 1. Rotate the micro fresh air module clockwise to remove the module. 2. Use the filter disassembly tool inside the package to screw down the filter cover and take out the old fresh air filter. 3. When replacing the air filter, pay attention to the green side up. 4. Rotate the micro fresh air module anticlockwise to complete the installation. Package Inclued: 20 X Replacement Filters In a box