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La ventilation hygro B, c'est NUUUUL (ventilation que vous avez probablement chez vous !!) - YouTube
![Bresser 7007402 Touchscreen Weather Station Wireless Thermo/Hygrometer with Ventilation Recommendation, Black & Thermometer Hygrometer Temeo Hygro Indicator Set of 3 for Standing White 4.5 x 1.6 x 5.8 : Amazon.de: Garden Bresser 7007402 Touchscreen Weather Station Wireless Thermo/Hygrometer with Ventilation Recommendation, Black & Thermometer Hygrometer Temeo Hygro Indicator Set of 3 for Standing White 4.5 x 1.6 x 5.8 : Amazon.de: Garden](https://m.media-amazon.com/images/I/5111D04LNEL._AC_UF1000,1000_QL80_.jpg)
Bresser 7007402 Touchscreen Weather Station Wireless Thermo/Hygrometer with Ventilation Recommendation, Black & Thermometer Hygrometer Temeo Hygro Indicator Set of 3 for Standing White 4.5 x 1.6 x 5.8 : Amazon.de: Garden
![Bresser 7007402 Touchscreen Weather Station Wireless Thermo/Hygrometer with Ventilation Recommendation, Black & Thermometer Hygrometer Temeo Hygro Indicator Set of 3 for Standing White 4.5 x 1.6 x 5.8 : Amazon.de: Garden Bresser 7007402 Touchscreen Weather Station Wireless Thermo/Hygrometer with Ventilation Recommendation, Black & Thermometer Hygrometer Temeo Hygro Indicator Set of 3 for Standing White 4.5 x 1.6 x 5.8 : Amazon.de: Garden](https://m.media-amazon.com/images/I/71MBvWFXQjL._AC_UF1000,1000_QL80_.jpg)