Compact and Panel Filters Entry, Exit and Recirculation ventilation systems requiring high safety: In Air Conditioning equipment (air conditioners, ventilation boxes, etz ...), Air Conditioning System (Hospitals, Laboratories, Museums, Airports, etc ... ), Industrial Processes (Ind.Farmceutica, Food, Optics, microelectronics, Veterinary, Chemical and surface treatment), as pre-filter and HEPA filter Ulpa. Multiven ES A+ Multiven Multiven Standard Multiven Standard 2V