window

air vent cat litter box window - 3162023936
By Unknown
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I built this for my cats. There is a 120mm computer fan and a motion detector set to run the fan for 5-minutes when the cat enters the box. Kitties shouldn't have to take a #2 without fresh air, should they?

round hole window slot square peg window g rated there I fixed it - 6858413056
By Andy King
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Well, more like a half-square, half-circle hole. And the peg is a rectangle. You know what, forget it.