Compatibility Complete C1 C2 C3, Compact C1 C2, Classic C1, S2 (S2000 - S2999), S4 (S4000 - S4999). Also compatible with S5 (S5000 - S5999), S6 (S6000 - S6999), S8 (S8000 - S8999), S140 - S168, S227 - 456i, S500 - 858. Features Foot switch enables quick transition from hard floors to carpet surfaces with a simple pedal action. Performance Designed for all smooth floors and short-pile carpets to provide reliable cleaning efficiency across surface types. Benefits - Broad compatibility across multiple models for flexible replacement or accessory use - Quick, hands-free surface switching saves time during cleaning - Optimized for smooth floors and low-pile carpets to maintain effective cleaning Use scenarios - Home with tile or hardwood floors and a low-pile carpeted living room; switch between surfaces without reaching for attachments - Small office with vinyl corridors and carpeted meeting rooms; adapt cleaning height and surface rapidly - Cleaning under tables and along edges on smooth floors, with easy transitions between surfaces