Which diameter should you choose? Measure the inside of your duct, from edge to edge through the centre: your measurement is the diameter to order (Ø80mm, Ø100mm, Ø125mm, Ø150mm, Ø160mm or Ø200mm).
Set of two replacement filters for Atlantic Primocosy and Primocosy HR decentralised extract units: one filter per duct, to slide into the connection box on the facade side. On these installations with no ducting, the filter is your only barrier against insects, dust and pollen that would otherwise travel up the duct. As the Primocosy is a room-by-room system, remember to order one set per duct: kitchen, bathroom, toilet. Manual replacement in a few minutes, without dismantling the system.
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