Based on this product's specifications, here are some alternatives and similar models
Pump top Alphacool 13317 Acrylic Aluminium Transparent 62x62x25mm
Summary description:
The Alphacool 13317 pump top is designed for liquid cooling systems. Made from acrylic and aluminum, it features a transparent design for visibility. Its compact dimensions of 62mm width, 62mm depth, and 25mm height make it suitable for various setups. This component enhances the efficiency of your cooling system by ensuring optimal liquid flow.