Based on this product's specifications, here are some alternatives and similar models
EFB Elektronik Warm Device Cable, CEE 7/7 90° to C15 180°, 3m, H05RN-F Rubber
Summary description:
This EFB Elektronik warm device cable features a CEE 7/7 angled plug and a C15 connector. With a length of 3 meters and a durable H05RN-F rubber jacket, this 3 x 1.00 mm² cable is designed for reliable power supply to high-temperature appliances. It ensures a secure connection for professional and industrial equipment requiring C15 compatibility.