Orders will be shipped in October, 2021. If your order is placed with other products that are in-stock, they will be shipped together in October, 2021.
· 1 layer of G4 Filter
· 1 layer of F9 Filter
· 1 layer of Customized Activated Carbon Filter
· 2 layers of Ultra-dense HEPA H13 Filters
· High filtration efficiency of 95.9% for PM0.3
· Easy replacement