V-type large air volume efficient filter for the need for high cleanliness of the air conditioning system. V filter can be installed in the central air conditioner to protect the end of the clean room ultra-efficient filter, or installed in the pipeline for special cleaning requirements of the process of the air supply system.

Large air volume ventilation systems, pharmaceuticals, food, hospitals, clean rooms, and other filtration systems. Can be used for the middle of the high-efficiency filtration system or the front end of the ultra-efficient filtration system pre-filter.