The package came with everything you need. We have a system under the kitchen sink so I decided to use it for the bathroom sink; So we don't have to deal with the unpleasant taste of chlorine when brushing our teeth in the morning. The installation went pretty quickly. I had to remove the drawer to open the connection. I drilled a template with a drill, installed a filter, washed for 3 minutes and there was no chlorine taste in the water. It seems that the water consumption has decreased a bit, but we are happy with the result.
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