●Sub-frame structure, G3 White, G4 green and white;
●Low initial resistance, large capacity of dust;
●Can be cleaned, detachable, reused;
●Cost-effective, economical and practical.
●Sub-frame structure, G3 White, G4 green and white;
●Low initial resistance, large capacity of dust;
●Can be cleaned, detachable, reused;
●Cost-effective, economical and practical.