It is an Oetiker clamp, double ear, as you say. Oetiker makes lots of styles. They make a single ear stepless clamp that makes equal pressure all around the hose a little easier than the two ear.
https://www.amazon.com/s/?ie=UTF8&k...d=kwd-302727798401&ref=pd_sl_6invxi1t11_e_p37
David
https://www.amazon.com/s/?ie=UTF8&k...d=kwd-302727798401&ref=pd_sl_6invxi1t11_e_p37
David