REPLACEMENT CHARCOAL FILTER KIT FOR YOURHS FACE MASK 4BEK1P2

Remove the old cartridge from the YourHS face mask (half spray mask) by unclipping and pulling it away from the mask body. Insert the replacement charcoal filter kit (4BEK1P2) by aligning with the cartridge housing and pressing firmly until it clicks securely into place. Check the cartridge is fully seated on both sides before use. Test the seal by covering the cartridge inlets and inhaling — the mask should collapse slightly with no airflow. Replace cartridges when you detect any chemical smell inside the mask or after the rated number of hours of use specified in the product documentation. Tips: Replacement cartridges should be changed at the first sign of chemical smell inside the mask — don't wait until they're obviously exhausted. When not in use, store cartridges in a sealed bag to extend their service life. Always check the cartridge is fully seated before each spray session, as a partially seated cartridge provides no protection.