An old Kazakhstan customer has ordered an air filter. The customer provides the size and picture of the product. It is used to filter impurities in the air. The accuracy can reach 1um. It is suitable for high temperature environments. The temperature of the filter material is 240-260℃. Such products are very popular in Russia and Kazakhstan, and are mainly used in incinerators, high-temperature exhaust, steel mills, and high-temperature furnaces.

This customer has ordered twice, and the customer feedback that the product is very good. Now the customer has received it and is already using it.