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Helicoidal monophasic extractors with stainless

steel blades.

Durable and resistant to the farm environment.

Wall model


Chimney model


Blinds manufactured in plastic material, with minimum weight to avoid too much load on the fan.

When the fan is working, the blinds open due to the air pressure and close when the fan stops.

Avoids wind when the fan is not working.

Available for diameters of 400mm, 450mm, 500mm and 650mm.