The PuroSmart Counter Top Mounted Reverse Osmosis System will produce up to 50 gallons per day. It is easy to use, just replace the aerator on your kitchen faucet with the divertor valve provided with your PuroSmart CounterTop Unit. Mount the PuroSmart on the plastic stand provided and make the connections as directed in the installation guide. Be sure to flush the Purosmart throughly before use. After your PuroSmart has been flushed, place a clean container in your sink and insert the tubing from the top side port of the system into your container. Simply turn on your faucet and your PuroSmart system will deliver high quality water for your entire family.