paperlined.org
product_searches
>
for_rats
document updated 8 years ago, on Jan 10, 2016
You can have more than one cage, and connect them together with tubing, and the tubing can be quickly removable for cleaning.
whole page that discusses this
ways to have secure tube attachments, but that quickly detach to make cleaning easy
quick-release hose clamps
PVC flanges that were sanded down inside
PVC can have threads too
[2]