Filters for SafetyPro™ AP2 Options:Ultra-Dense Carbon Mesh It is recommended that you

It is recommended that you open the package within one week of receiving the goods

12 pcs in a pack

High quality: Premium material makes it sturdy

The Cyclone Filter is reusable and can be cleaned instead of being replaced

Pre-filter: It's recommended to replace after use for 7 to 15 days or replace the pre-filter when more than 70% of its surface is covered by dust that can't be removed

Filters for SafetyPro™ AP2 Options:Ultra-Dense Carbon Mesh It is recommended that youThe Cyclone Filter is reusable and can be cleaned instead of being replaced. Each filter has a different lifespan, offering up to 100 to 600 hours of usage. The Ultra dense Carbon Mesh and Activated Carbon Filter efficiently absorb harmful gases and odors, ensuring fresh and healthy indoor air.