Based on this product's specifications, here are some alternatives and similar models
CPU Waterblock Watercool Heatkiller IV Basic Intel Acryl — transparent
Summary description:
Watercool Heatkiller IV Basic Intel Acryl is a transparent acrylic CPU waterblock designed for Intel sockets. It provides direct liquid cooling for the processor, featuring a visible acrylic top and precision-machined cooling base for thermal transfer. Suitable for custom water-cooling loops in desktop PCs where efficient heat dissipation and component visibility are required.