The Weitech WK3523 x 3 Pcs. offer is a set of three diffusers, each with an effective range of 45 m. Ideal for the even distribution of fragrances in medium to large spaces. The Weitech diffusers are known for their reliable performance and ease of use. Perfect for use in homes, offices, or commercial spaces where a pleasant atmosphere is desired. The set provides a practical solution for the needs of room scenting over an extended period.