must have [SEP] i specifically tested weeks to give honest review so what we have a well packed beautiful box small instructions with pictures the irrigator is easy to use with just two buttons you are already a dentist brush your teeth with high quality i can even say that you do not need a usual brush and paste you need to get used to it as the procedure remind professional teeth nozzles the whole family can use seconds and teeth are cleanps my dentist recommended to buy a water flosser as at the moment it is a very useful thing which saves money time and supports your teeth healthadvise do not use soda or other elements with water it will clog the tubes and you will have to buy a new irrigator only water if you have sensitive gums be careful and choose the most gentle modei am pleased with the quality of the product and the price