HSN Code 6905 refers to "Roofing tiles, chimney pots, cowls, chimney liners, architectural ornaments and other ceramic constructional goods (excluding of siliceous fossil meals or similar siliceous earths, refractory ceramic constructional components, pipes and other components for drainage and similar purposes)." This classification code is essential for identifying ceramic construction materials for import/export purposes based on their nature, composition, and intended use. Common products under HSN Code 6905 include roofing tiles, chimney pots, architectural ornaments, and chimney liners. Additionally, the GST rate for ceramic constructional goods under this code supports accurate trade compliance.