2Pcs Aquatic Plant Cup Hollowed Out Adjustable Wall-mounted Reduce Nitrate Emersed Plant Hydroponic Planting Cup Fish Tank Accessories. Description: There is nothing to worry about dropping the aquarium cup, it is easy to move and hang securely on your tank as it is wall-mounted and adjustable. Not only can this aquarium cup decorate your tank, it can also help you reduce nitrates in your tank and provide a better living environment for fish and shrimp. It is constructed of plastic material. The length of this aquatic plant cup is 7cm, and the height is 7cm. It is mainly used for the cultivation of hydroponic plants. Item Name: Aquatic Plant Cup Material: Plastic Features: Wall-mounted, Adjustable, Non-falling Size Details: Length: 7cm/2.76" (Approx.) Height: 7cm/2.76" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 2 x Aquatic Plant Cup(Emersed Plant Not Included)