Included in the kit are HEPA composite filters which have four filter layers.
To work with air boosters and achieve the highest efficiency at purification, each HEPA composite filter built with a high-quality pre-filter layer, a fine absorption layer, an activated carbon filter, and a HEPA filter. The HEPA composite filters are capable to remove large particles like dust and harmful ultrafine particles.
Free delivery from 100 euros. Schools pay after delivery.