▶air filter using Compound HEPA Materials, which is safe for humans and pets
▶Efficiently filters 98% of dust and soot
▶To better protect your equipment, we recommend replacing it once every 1-2 years
▶After-sales service: within 7 days there can be no reason to return or exchange, if there are other problems please feel free to contact our customer service staff, within 12 hours for your reply