Water flow is less than we expected. Changed the lines for a wider diameter line for both the hot and the cold and that improved the flow somewhat. Satisfied but not thrilled. 
All lines are perfectly clear so there may be a water restrictive device-in the cartridge that complies with water conservation regulations, However I am tired of regulations and wish I could get a better flow out of this beautiful faucet. The planet will be just fine with more water flow as I wash my face each day!