United Filter Company Ltd. products

Pocket Bag Air Filters are typically used as a secondary or final filter used after (behind) a pleated filter. Bag air filters, often referred to as bag filters and pocket filters, come in three levels of efficiencies; 65, 85 and 95% - or MERV 11, 13 and 15 ratings.

High Efficiency Particulate Air or HEPA for short. This type of filter is also known as high efficiency particulate arresting. Filters which meet the HEPA standard are used in many applications. This includes clean rooms, medical environments, manufacturing facilities, vehicles and homes. HEPA filters remove up to 99.97% of particles equal to or larger than 0.3 microns.