Yes but previous two similar devices broken brought this product to replace the one we broke

Just to say the one i had it lasted over ten years

This is a life saver product also to save money by not calling a plumberi have taken this product to many other homes to use to get that water flowingi loyally use this at a minimum 2 times a yearpreventing issues in there futureno harsh chemicals are used evercan be done by one person alonefollow the directionsthank you no power when i tried to use it in toilet the plunger kept falling off works perfectly just took a long time to get her here