1. Multi layer folding expansion aluminum foil or stainless steel mesh is arranged in a coarse to fine order with different densities, allowing air to change its flow direction multiple times when passing through the filter, increasing its dust collection capacity and efficiency.
2. Low resistance, long service life, can be cleaned repeatedly, and extremely economical.
3. All aluminum or stainless steel filters are safe, sturdy, and resistant to high temperatures.
4. Acid and alkali resistance, high temperature resistance.