ASHRAE filters prevent airborne particles from moderate airflow volumes from polluting ventilation systems and also suitable as pre filters in a variety of applications. Spectra ASHRAE Filters are used by pharmaceutical, electronic product manufacturers as well as in nuclear power, atomic energy and research establishments. Approved by leading consultants, user industries & HVAC turn-key engineering companies, these are used for High level pre-filtration in Air conditioning of Paint booths, Air handling units, available in the range of 1to 5 micron.