Classikool Reed Diffuser Oil Air Freshener with Essential Oils (Lavender, 250ml) Classikool Reed Diffuser oils are 100% oil and nothing else. Our Reed Diffuser Oils travel up the rattan reeds quickly, producing the most wonderful natural fresh fragrances. Classikool Reed Diffuser Essential Oil Range contains no chemicals or other nasties. This is simply one of the best, if not the best Diffuser Oil range on the market at the lowest prices possible.