Based on this product's specifications, here are some alternatives and similar models
Scented Reed Diffuser Sticks Erla R411 Green Breath 50 ml
Summary description:
Scented reed diffuser sticks by Erla, model R411 (Green Breath), designed for use with a 50 ml fragrance bottle. The product consists of porous reeds that absorb and disperse the 50 ml fragrance oil, providing continuous passive scenting for rooms, offices or small commercial spaces. Suitable for steady ambient fragrance without heat or flame.