<https://rondo-official.com/produkty/klin-ptfe-teflo%e2%80%91c/>
<http://schema.org/description>
"Very flexible chemically resistant suction hoses made of fiberglass fabric coated on both sides with PTFE reinforced with a steel external spiral, with excellent chemical resistance and very good thermal resistance, used in extraction and ventilation systems to remove chemically aggressive gases and vapors, cold or hot air and dust."
<https://rondo-official.com/produkty/klin-ptfe-teflo%E2%80%91c/>