Condition: 100% Brand New_x000D_ Item Type: Aquarium Refiner_x000D_ Model: AP-030 _x000D_ Material: Glass _x000D_ Color: Transparent _x000D_ Weight: Approx. 35g_x000D_ Size: Approx. 27x50x 85mm/1.06x1.97x3.35inch 1Fine workmanship, suitable for medium and large water plants tank. 2Specially designed for the water tank, does not take up the space. 3Can greatly improve the carbon dioxide dissolution rate, the diffusion efficiency is high. 4The main body is made of high quality glass, resistant to acid and alkali, no immersion corrosion, high transparency, curved glass connection pipe, small volume. 5Using instruction: The refiner is placed at the bottom of the tank to enhance the dissolving effect.During installation, do not overexert, it is recommended to use with soft pipe to avoid refiner damage.1 x Aquarium Refiner1 xSuction Cup