Brand N/A Model E5XLZ KY0635 Quantity 1 piece(s) per pack Color Black + transparent + white Material Plastic Specification By the inflow of surface water into the filter it can clean the water quickly raising the light penetration and helping the photosynthesis of water plants; According to the size of power head and your demand you can adjust the flow of surface water by running the upper adjuster; It's easy to use and won't affect the filtering effect; Self-floating design can adapt itself to the water valve; Suitable for external hanging filter such as AA360 / CY20 / EF-05 etc. Packing List 1 x Skimmer