Originally Posted by cobba

You didn't look hard enough.

http://productinfo.shimano.com/specifications.html

Click on 'MTB / TREKKING'
Click on 'Freehub (Standard)'
Click on 'SUBMIT'

When the results come up you can click on the 'Model no.' to see an image.

A Google search reveals plenty of shops selling these non disc hubs.

FH-M = MTB model
FH-T = TREKKING model