Designed for both home and commercial users, this rubber stopper reliably seals the water reservoir and sewer reservoir of your robotic vacuum, ensuring a clean and hygienic cleaning process Upgrade your cleaning routine with this rubber stopper made of non-toxic material, specially designed for water and sewage tanks of your robotic vacuum. Say goodbye to leaks and unpleasant odors and enjoy a cleaner, healthier environment! Experience leak-proof performance with this premium rubber stopper for your robotic vacuum and superior water reservoir Made of durable and reliable rubber material, this plug can be used for a long time without causing damage and ensure smooth operation of the robotic vacuum cleaner This rubber stopper is an essential accessory to maintain a highly sealed sewage tank of your robot vacuum from home to office, providing safe and reliable cleaning service