This Review Title is Terrible Product and the content is: WATERPIK PRODUCTS SOLD ON AMAZON ARE NOT COVERED BY THE WARRANTY.  This is not covered by a warranty by Waterpik.  I called Waterpik and they told me they do not do AMAZON BOUGHT WARRANTIES.  I BOUGHT THIS IN AUGUST AND WITHIN ONE MONTH IT QUIT WORKING..There are other information for this review, one is This reviewer did purchase it and the other is 1 people think this review is helpful.