This is a tougher material for them, and a larger width for wider
ferrets

Clear with bit of black:
http://www.grizzly.com/products/4-x-10-Clear-Hose/H1052
http://www.tools-plus.com/woodstock-w2033.html

black:
http://www.ptreeusa.com/dusthose.htm

Completely clear: www.uline.com

Risa

[Posted in FML 6499]