Filters for SafetyPro™ AP2 Options:Ultra-Dense Carbon Mesh Pre-filter: It's recommended to replace

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

12 pcs in a pack

or DIY gifts

It's great for creating customized gifts for any occasion

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

Filters for SafetyPro™ AP2 Options:Ultra-Dense Carbon Mesh Pre-filter: It's recommended to replaceThe 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.