Esperanza h13 filter for storm air purifier

Replacement filter for Esperanza STORM air purifier. Provides effective air filtration, removing allergens, dust, pollen, and harmful gases, ensuring high efficiency and clean air for long-term use. 4-stage filter: pre-filter, activated carbon filter, HEPA H13 filter, and cold catalytic filter. HEPA filter efficiency: 99.99% Filter size: 36.4 x 30.4 x 3.6 cm