• Drilled cap
• Exclusively used with Optimice External Water Bottle Cage Top, Product # C79290PB
Mouse External Bottle Cap
A Minimalist Approach!
This cap has a drilled hole, where the diameter of the drilled hole is just the right size to hold the water in place through water surface tension. Mice find it easy to lick the water from the drilled hole at the cap. Use exclusively with the Mouse External Water Bottle Cage Top, Product # C79290PB.