ONA Odour Control Duct 100mm

With the ONA odor control duct, the ONA block can be easily and effortlessly integrated into an existing ventilation system. ONA blocks neutralize unpleasant odors and provide a pleasant freshness. The application is simple. The ONA control duct needs to be integrated into the existing ventilation system only once. After that, you just need to open the maintenance flap and insert the ONA block. Suitable for pipe sizes of 100 mm.