The Eucalyptus with Menthol scent offers a potent and invigorating fragrance. Just a few drops of this concentrated formula in water will fill your space with an aromatic symphony that lingers for hours. On the other hand, the Eucalyptus oil scent provides a softer yet equally effective aroma, aiding in easier breathing and relaxation. By purchasing this pack of 4 concentrated fragrances, you not only ensure a variety of scents to suit any season but also save an extra buck in the process. FEATURES: 2 Concentrated Eucalyptus with Menthol oil scent 2 Concentrated Eucalyptus oil scent 2.0 fluid oz each bottle Safe to use on Rainbows and Rainmate Compatible for Use in Water Vacuum like Rainbow, Sirena, Hyla, Rainmates, diffusers and humidifiers, suitable for diffusion, vaporizing, inhalation, oil burner, perfume, home care (bedroom, living room, bathroom, study room), office (workstation, conference room), outdoors, campground, yoga room, car and spa. This Fragrance is not made or sold by Rexair, Rainbow, Hyla or Sirena factories.