The plasticized lining of this aluminium combi-jduct makes it more robust than standard duct .
The exterior vinyl gives it greater elasticity and flexibility which, when installed, will prevent tearing while offering a longer life span.
It is also more resistant to humidity, which is not insignificant when it is used for indoor gardening in greenhouses or hydroponic tents.
Its 152 mm diameter will allow it to be slipped over ventilation elements and accessories with a diameter of 150 mm, such as ventilated reflectors, air extractors, connectors, carbon filters, T and Y branches …
To guarantee a perfect airtightness when fixing it, you can use clamps or aluminium and PVC ventilation tape.
When installing a combi-duct, limiting its length as well as the number of bends and branches reduces « pressure losses ». The straighter and shorter the duct, the more air will circulate without obstacles.
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Sheaths & collars