High temperature and high efficiency air filter performance characteristics

First, there are various efficiency specifications H10 ~ H14 to adapt to different requirements
Second, the stainless steel frame with a special temperature sealing material, temperature 250oC and 319oC
Third, special folding equipment to fold
Fourth, a special glass fiber filter paper as a filter
Fifth, special aluminum foil spacer
Sixth, each filter by anti-volatile treatment and strict testing