air filter-HEPA filter

HEPA stands for High-Efficiency Particle Arresting, which is the standard that achieves 99.9% air filtration. 99% of particles in the air are invisible to the naked eye. HEPA filters produced by Nantong Henka Environment Solutions can capture up more than 99.97% of pollutants from the air that passes through it, including cat dander, certain bacteria, pollens and more. Features: 1) High collecting efficiency 2) Low resistance to airflow 3) Low operating cost 4) Each filter is individually tested