Get $40 Discount On Stadler Aroma Diffuser At Bestbuy.com. Fill the room with fresh, fragrant air using this Stadler Form Lea L-022 aroma diffuser that evaporates essential oils from a refillable fragrance bottle. An interval setting helps keep the air well-balanced, and daylight mode adds efficiency. The refillable fragrance bottle diffuses essential oils for fresh, fragrant air. The interval setting ensures that the rooms aroma remains well-balanced. The rechargeable batteries enable cordless operation.