Based on this product's specifications, here are some alternatives and similar models
Ceresit grout CE60/07 2 kg grey – tile joint grout, brand CERESIT, model CE60/07
Summary description:
Ceresit grout CE60/07 is a 2 kg ready-to-use grey tile joint grout from CERESIT, model CE60/07. Designed for filling and sealing joints between ceramic, porcelain and natural stone tiles, it provides durable, uniform coverage for indoor and compatible outdoor surfaces. Suitable for typical tile widths and renovation or new-install applications.