Replacement Decalcification Cartridge for Karcher SC3 series - Compatibility and part: Replacement for part # 2.863-018.0 28630180, compatible with Karcher SC3 series including SC3 EasyFix, SC3 Upright EasyFix, SC3 EasyFix Plus, SC3 Upright, SC3 Upright EasyFix Premium, SC3MX, and SC3 127V BR Vacuum Cleaner. - Function and benefits: A durable steam filter cartridge that adapts to different water quality environments. Absorbs impurities and effectively filters scale and suspended solids from water to prevent scale formation, protecting the internal components and supporting long lasting operation of the vacuum cleaner. - Size and fit: Height 160 mm; width 53 mm; outer diameter of connection end 45 mm; inner diameter of connection end 22 mm. - Key advantage: Replacing with this decalcification cartridge provides a permanent decalcification system, extending the steam cleaner’s service life and helping keep the unit running like new for a clean and healthy home. - Use scenarios: - Regular descaling in households with hard water to maintain cleaning performance. - Kitchens and bathrooms where mineral buildup is common, to protect the cleaner and improve efficiency. - Routine maintenance to extend the life of SC3 series steam cleaners during frequent use.