4V rigid bag filter class ePM10 70% according to ISO 16890. The low energy impact 4V frame provides a re-latively low resistance to airflow and a high filter surface resulting in a longer service life.
Frame made of plastic (polystyrene), injection-moulded. Polyurethane sealant (bicomponent).
Filtration of airborne particles in civil and industrial air conditioning systems. It is commonly used as prefiltra-tion stage of HEPA filters.