Based on this product's specifications, here are some alternatives and similar models
Alphacool HardTube 13/10mm 0.4m Transparent 4 bar
Summary description:
The Alphacool HardTube 13/10mm is a transparent tube designed for liquid cooling systems. It has a maximum operating pressure of 4 bar, a length of 0.4 m, and a diameter of 1.3 cm. This product is lightweight at 58 g, making it ideal for custom PC builds and efficient cooling solutions.