ONA - ONA GEL - FRUIT FUSION - 4L - 3.8KGONA Gel Odor neutralizer Fruit Fusion 4 Litre Pail (3. 8 kg 8. 5 lbs) ONA Gel is probably the best known Odor Neutralizing Agent (ONA) product. Born after years of research in the field of odor neutralization, it is a product with excellent dispersive capabilities. Odor elimination agents are released in a slow and controlled way to optimize every single drop of this amazing product. ONA Gel spreads naturally by evaporation. It is a complex formula