Transparent, amber- or red-tinted tunnels offer technicians ease of visibility during routine cage checks while providing a sense of security to rodents. Helps reduce boredom and aggressive behaivor. Made of sturdy, 3mm (¹/₈") thick polycarbonate. Autoclavable, cage washer-safe, and certified (contaminant screened).

Optional, sturdy stainless steel round wire hanger can be used to suspend a tunnel above the cage floor.