Mini-pleat HEPA filter Speciality: The filtration material is made of fibreglass filter paper which is waterproof and flame retardant, or the PP high efficiency filter paper The filtration material and frame is sealed by the special mucilage glue ,in case of leaking and damage Laser testing one bye one, Temp. resistance up to 80, small resistance ,high efficiency, long service life ; Light weight, small volume, convenience for installation Using: Applied to the terminal filtration of the air-condition filtration system Suitable for hospital, electronic industry, food , precision instrument, electron semiconductors and dust-free room, etc.