2 Set Small Animals Hamster Tunnel Cage Cover with Ventilation Holes External Pipe Interface Fitting Connection Board Tube Connector Stretch Resistant Inner Diameter 2.17 inch

Additional Details from the Manufacturer

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More features

• Hamster tunnel pipe connection plate, you can install pipes inside and outside the cage at will, increasing the fun of hamster activities.
• The material is plastic, random in color, flexible, stretch resistant and easy to install.
• Size：Caliber about 5.5cm / 2.17 in, suitable for hamsters, rat, guinea pigs and other small pet cages.
• Installation steps：First put the white circle and the transparent buckle together, soak the white circle in warm water, and make it softer for installation (The transparent one is to be buckled into the white circle, do not go from the inside to the jacket, but from the outside). After installing the white circle and the transparent one, rotate it bit by bit and insert it into the module.You can connect various pipes and do more modeling channels.
• Packaging included:2 piece Hamster Metro Cage Connection Board + Block the mouth.does not contain hamster tunnel tubes.