HEPA air filter

HEPA filter is made by filtration material (special surperfine glass fibre) that has larger filtering area .The filtration material is made by a whole piece of glass fiber. They are separated by waved partition, sealed by special glue and take stainless steel plate as outside framework. So filtration material is reinforced and it makes proper air pass filtration net. Besides having lots of merits that common filters possess , HEPA filter can resist acid and alkali and be applied to environment of relative 100% temperature(without dew) .