Based on this product's specifications, here are some alternatives and similar models
InLine cold device extension C13/C14 green 0.3m
Summary description:
This InLine cold device extension features a C13 coupler and a C14 coupler, with a cable length of 0.3 meters. It is designed for a maximum input voltage of 250 V and is made from H05VV-F cable type, ensuring durability and safety. The green color adds a distinctive touch, making it easy to identify in your setup.