I didn't see it before but they listed the height of the shield, 14 inches. Not sure if that's from the dash or the bottom of the shield.

The F6B version has a non-adjustable height rated at 14 inches. It is available in Tint and Dark Smoke colors.
The GL1800 version has an adjustable height rated at 14 to 18 inches. Available colors include Clear, Tint and Dark Smoke.
14 inches, along with the "flare" will fit me better. I didn't at first, but now I notice the air hitting my helmet lower since I tightened up the suspension. I have a Baggershield set at about 14 inches. (13.75)