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MLL folding fans

Our folding fans are self-regulating window fans that enable a balanced air exchange in your interiors. They prevent the increase in humidity in rooms and thus safeguard against the formation of mold and fungus. The built-in interior profile transports the air upwards. The plastic flap with a hinge and rubber lip in coextrusion guarantees superb wind and waterproofing, along with perfect thermal separation. Stepless regulation is actuated via a lever, cable or connecting rod. The assembly of the folding fans by MLL-HAMBURG is possible both above and below the glass pane.

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