Based on this product's specifications, here are some alternatives and similar models
Hot melt glue cartridge HP Pattex Montage Power Kleber, cartridge 370 g
Summary description:
Hot melt glue cartridge for use with compatible glue guns, HP Pattex Montage Power Kleber in a 370 g cartridge. Designed for fast-setting thermoplastic adhesive applications, it provides a strong bond for mounting, assembly and repair tasks on wood, plastics, textiles and some metals. Supplied as a ready-to-use cartridge for cartridge-type hot glue guns.