JBL Artemio 4 is a set of top quality sieves to separate live food from transport water. Sieve sizes: 0.15 mm, 0.30 mm, 0.60 mm and 1.00 mm. Perfect for Artemia, mosquito larvae, Tubifex, Mysis, water fleas etc. All sieves, used in succession, separate live food, e.g. water fleas, into different sizes to feed different sizes of fish according to their needs.Do you have questions about this article ?