Rubbermaid Commercial 3485952 Microburst Duet 2-Fragrance Aerosol Odor Control Air Care System, Fragrance Refill, Cotton Berry/Refreshing Citrus Dual fragrance air fresheners were designed to complement one another. Each formulation combines high quality oils and MicroTrans, a proprietary air neutralizer, which eliminates odors rather than simply covering them up. Ideal for commercial and janitorial use. Use with Microburst Duet dispensers. Each refill is 3 ounces. Made in the USA.