Exciting add-ons designed to fit CritterTrail. Each tube has cross ventilation holes and the easy to climb bubble wave design.
- Each tube has cross ventilation holes to provide pets with adequate air flow
- Easy to climb bubble wave design makes climbing safe, secure and comfortable
- Connector rings snap on easily for a safe and secure fit and release easily for simple disassembly and cleaning
- Ideal for hamsters, gerbils or mice