Orku 1000ml Water Flosser Electric Oral Irrigator - Adjustable Pressure BlackThe Orku 1000ml Water Flosser Electric Oral Irrigator Adjustable Pressure Black supports everyday oral hygiene by using a targeted stream of water to help rinse between teeth and along the gumline. The unit features a large 1000ml detachable reservoir for longer flossing sessions with fewer refills and a stepless pressure control dial (30 150 PSI) so you can adjust the water intensity to your preferred comfort level. It operates with low noise output