Based on this product's specifications, here are some alternatives and similar models
Ceramic Heater Renkforce PTC17 230V PTC Technology, model PTC17
Summary description:
Ceramic heater Renkforce PTC17 is a compact electric heater with PTC technology designed for 230V mains. The unit uses ceramic PTC elements for rapid warm-up, stable temperature output and self-regulating performance. Suitable for small rooms, offices or localized heating; offers quiet operation and simple plug-and-play installation for practical supplemental heating.