Refill Birch leaf Room Fragrance 250 ml Sale! from 2150 /per Qty. Add to Cart Estimated delivery time 2-4 days. This item is currently on backorder but you can still purchase it now and we'll ship as soon as more become available. Refill room diffuser. Ingredients: 3-methoxy-3-methyl-1-butano, propylene glycol, parfum, natural essential oils.