Based on this product's specifications, here are some alternatives and similar models
Tubing Alphacool 18642 EPDM Thermoplastic Vulcanizate Black 1.6 cm
Summary description:
The Alphacool 18642 tubing is designed for computer cooling systems. Made from durable EPDM and thermoplastic vulcanizate, it features a black color and a diameter of 1.6 cm. This tubing is ideal for efficient heat transfer and reliable performance in liquid cooling setups.