inexpensive [SEP] unfortunately it is a get what you pay for type of product at least for my shampoo sink the threaded pieces were not compatible with my current hose and nozzle but that happens my last one was not either this is my third vacuum breaker but we were able to use the original pieces to make the fix now my get what you pay for part when i turn the water on it releases water out of the top until it builds enough pressure to go straight to the hose nozzle it is strange but it was and i can use my shampoo bowl over all as of today when we put it on it will do