Neutral, pure, essential: this is the essential ally for your Berger Lamp! For all those lucky enough to own a Lampe Berger, the Pure Air-So Neutral fragrance refill is absolutely essential.In addition to purifying the air in your interior without diffusing a scent, it also allows you to adjust the intensity of your fragrance by diluting it. Lastly, the Pure Air-So Neutral fragrance refill will be essential for your Maison Berger Paris fragrance diffuser to work properly, as it will allow you to clean the burner between each fragrance. Bottle Size - 1 Litre Free of colourant 40h of diffusion - 160h of fragrance Clean your burner between two fragrance with the Pure Air - So Neutral Home Fragrance Adjust the intensity of your fragrance by diluting it with the Pure Air - So Neutral Home Fragrance