Optional with RFID-Transponder. Medium Indicator (coloured through): Colours available in accordance with DIN 2403. Information Field: Special printing/stoving process, resistant to abroasion, particular acids, alkaline solutions and solvents, UV resistant. Flw Direction Insert (coloured through): resistant ot abrasion, UV resistant. Temperature resistant up to 120°C (up to 150°C for a short time)