This is the vent I might use on the cage. Its 16"x8". There is a screen across the back too that overlaps every 1/8". You think this is overkill for a 4x2x18 cage? They make them in 8"x4" as well, but for some reason the big one is cheaper.
I was gonna put this big one across the back, or put 2 on the sides if I go with the 8"x4"s.
I think it would be ok, since i have her in a 20L with a screen top now and she sheds OK and stuff.
Anyway, I started to buy the wood for my cage tonight. I got 2 smaller panels for the sides. They are cabinet grade birch so I thought I'd grab them instead of using other wood for the bottom.
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Tim W.

