Enrichment  /  Guinea Pigs  /  Bio-Serv Cardboard Bio-Tunnels for Mice

Bio-Serv Cardboard Bio-Tunnels for Mice

3.875 x 2" diameter; 1/8" thick  |  100 per box; 400 per box

Bio-Tunnels for Mice are made of 100% recycled pulp paper, providing economical sheltering, nesting, and gnawing enrichment. Bio-Tunnels can increase physical activity while reducing boredom and aggressive behavior. Available irradiated.


Appropriate for: Mice

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Guinea pigs  like being the “guinea pig” when it comes to trying new things! We offer edible and non-edible guinea pig enrichment to promote natural behaviors. To order or ask questions, just fill out the form. We’ll be in touch right away.

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