Lemon Essential Oil/Citrus Limon Cold Pressed. Has many uses including a refrigerator and ice chest deodorizer.
Pure Essential Oils Used for Candle Making, Soap Making, Custom Perfume, Lotions, Diffusers, Bath Salts, Aromatherapy, or anywhere pure natural fragrance is desired. Essential oils are the very essence of plants.  Has many uses including a refrigerator and ice chest deodorizer, perfumes. 
 
https://health.clevelandclinic.org/essential-oils-101-do-they-work-how-do-you-use-them/