Product description:

• Product use: The double water level pipe fitting is a pipe fitting installed on the glass of the fixed water plate in the overflow area. The function is that when the fish tank needs a low water level, the plug on the pipe fittings is unscrewed and the excess water is drained to change the water level.
  

• Installation: It needs to be installed on the glass of the fixed water plate when making the overflow area. The diameter of the hole in the glass is 58-60mm for the A model, and the diameter for the B model is 48-55mm. The above two types can be clamped by 15mm within.

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On 06-Jul-2022 at 04:05:15 BST, seller added the following information: