Sauermann RPI-5 Printer Rolls (Pack of 5) – 23491 The Sauermann RPI-5 Printer Roll Set keeps a Sauermann BLE wireless printer ready to go. This pack of 5 genuine replacement thermal paper rolls is designed to fit the Sauermann flue gas analyser's printer, giving clear, smudge-free prints every time. Whether issuing reports on site or keeping service records, having spares to hand means printing is never interrupted mid-visit for want of paper. Key Features Perfect Compatibility: Designed for use with the Sauermann BLE Wireless Printer. Thermal Paper: Crisp, reliable printouts with no ink required. Easy to Replace: Quick paper roll changes in the field.