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Outer frame: Aluminum alloy, galvanized steel sheet
Filter media: Superfine glass fiber filter media; V‑bag structure
Inner support: Galvanized strips, split‑type
Efficiency class: M5, M6, F7, F8, F9
Outer frame: Aluminum alloy, galvanized steel sheet, polypropylene
Filter media: High‑quality polyester synthetic fiber; V‑bag structure
Inner support: Galvanized strips, split‑type
Efficiency class: G3, G4