Excella Refillable Bottles work with the Unger Excella floor care system (not included) that features a superior, ergonomic design for a safe, efficient microfiber mopping system. 1-liter refillable, plastic bottles use a high-precision dispensing mechanism and nozzle. No clogging or flushing is required. Measurement guide allows you to fill with ease. Cleaning solution is not included.Excella Refillable Bottles work with the Unger Excella floor care system (not included) that features a superior, ergonomic design for a safe, efficient microfiber mopping system. 1-liter refillable, plastic bottles use a high-precision dispensing mechanism and nozzle. No clogging or flushing is required. Measurement guide allows you to fill with ease. Cleaning solution is not included.