Wide use in; the water pump, in aquarium and fish tankUse with water pump circulation or return pipe. Please measure the size of your need before purchasing. Mainly plastic, it has strong structure, can last for a long time. use and convenient to store. It is small and portable. Specification: Material: Plastic Connection Size: 21mm (1/2 inch) Color: Black Package: 1 PC Note: The size is measured in handmade, please allow a little error of measurement. The color of the photo may be a little different from the actual product due to the color display of different monitors. Powerful water pressure makes cleaning easy
