Interdental cleaner. Effortless and thorough cleaning between teeth for healthier gums. Two modes for cleaning interdental spaces and ten intensity levels. Easily refillable 550 ml container. Gentle water vibrations guide you from tooth to tooth, ensuring no spot is missed. Cleans the entire oral cavity in 60 to 90 seconds. Includes three attachments: F1 standard nozzle, F3 quad-stream nozzle, and power flosser. Quad-stream technology. X-shaped water streams cover more area, providing a faster and more thorough clean compared to dental floss. Pulse wave technology. Whisper-quiet for great results. Designed for discreet cleaning, allowing you to achieve excellent results without disturbing others. In cleaning mode, a continuous water stream is used for outstanding daily cleaning, while in deep clean mode, individual pulses are employed for a more thorough clean. Easily adjust the intensity to what feels comfortable for you. The 550 ml container holds enough water for a complete clean. To refill, simply lift it out, fill it, and plug it back in.