I just found a link that actually works: http://www.dynoseasonalsolutions.com/
You can order replacement parts from the website.

But if you need it, here is all their contact info:
Dyno Seasonal Solutions, LLC(tm)
3750 W. Deerfield Road
Suite 1000
Riverwoods, IL 60015
Tel: 800-448-3966
Fax: 847-459-3371
Email: