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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
Where do your critters go when they're feeling adventurous? Well, they hit the tubes, of course! And when those tubes are in need of a replacement, you can count on Kaytee CritterTrail Assorted 3.5" Straight Tube Replacement Tubes to keep the fun going. Here's why: