A shot of the vent installs in the second cages. Note the layout in pencil showing the outside of the vent, and then the measurements for the louvers as the inside vent is actually inverted (inside out) as the aluminum is pretty sharp and you wouldn't want it in the cage with your animals.

**NOTE: The small "indexing" hole at the top center of the cutout hole. I wanted the vents to fit flush with the tops of the cages so I marked on the inside where they would go, and drilled the hole through the mounting hole furthest from the top of the cage (the bottom middle hole on the vent). That way when I flipped the cage face down, there were the two "indexing" or "referencing" holes that I could line up the vents and trace / measure the actual hole to cut. This is a picture of the hole that results from the careful measuring and then cutting out.

You should use a jigsaw with a pretty fine wood blade to avoid splitering the melamine coating, and will have to drill a 1/2" hole in each of the four corners to let you turn the saw and cut 90 degrees from your current cut.



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"Colubrid-aphilia", adj; An inordinate love of Colubrids.

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