You have to remove the brushroll nozzle and your attachment hose goes in its place set it on the cross rail, rotate up and lock in place.

Complete instructions how to attach the hose you can see on our website:
http://www.goodvac.com/articles.asp?id=147#2.2.2

You can shop for supplies and parts at our website:
http://www.goodvac.com/

Good Luck,
Rocky