SFFILTECH supplies pocket and compact filters for intermediate-stage filtration in HVAC, ventilation, and air-handling systems. Product options include synthetic-fiber and glass-fiber pocket filters for selected airflow, space, and environmental requirements.
Selection should be based on the applicable classification system, such as ISO 16890 or ASHRAE 52.2/MERV, together with dimensions, pocket configuration, rated airflow, initial and final pressure drop, humidity, temperature, and frame material. Legacy EN 779 classes may be used only when needed to match an existing specification.
Use pre-filters to protect the intermediate stage and review HEPA or ULPA filters where a documented final-stage efficiency class is required.
