... : stainless steel Type: high efficiency Usage: gas-liquid filteringSuitable users: transformer Aperture ratio: 20% Weaving method: knittingBrand: Dapeng Performance: acid proof, alkali ... , fireproof, anti-staticApplication: automobile engine system, filterSuitable user: chemicals Aperture ratio: 80% Weaving method: knittingBrand: Yitong Application: Range hood, percolator, air ...