OIL BASE CONCENTRATED FORMULA. 2 oz Refresher' Brand Liquid Fragrance has unlimited uses. Add to your Rainbow or any Water Filtration Vacuum System. Drop a little in your Humidifier. Spray on Vacuum Cleaner Bags, Air Filters or Freshen Potpourri with your favorite fragrance. Our UNIQUE blend of superior grade oils and other quality ingredients delivers a Pleasant, Long-Lingering Scent. AVAILABLE IN 52 POPULAR FRAGRANCES!!!! For use in the Home, Office, Pet Areas, Doctor's Offices, Veterinary Clinics, Autos and RV's, etc. (Contains denatured ethyl alcohol)