Enrichment / Birds / 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.
