High temperature and high efficiency air filter practice, the use of fiberglass or ultra-fine glass fiber filter paper, aluminum foil partitions, stainless steel frame, specially made high temperature sealant assembly. Filter filter 180 ° folds on both sides, folded into a wedge-shaped fold, the filter has two indentation bending, so that the end of the partition into a wedge-shaped box folds, wedge-shaped folds can prevent the box The filter paper is damaged.
