I would recommend contacting a member of our sales floor directly at 888.388.6372 for further assistance with your inquiry.
Thanks for contacting Tundra Restaurant Supply with your question Loren. This Krowne HS-9 H-201 12" Wall Mount Hand Sink w/ Faucet has a flow rate of 2 GPM.
From the back. I'm posting a link to the spec sheet too! http://www.etundra.com/ShowDocument.aspx?fileId=181877
From the back, you need a 90 degree connector kit, to attach the hook-up tubes.