Hot Window

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pizza hut,pizza box,window
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Fixed after having robbed my own house.

Litter-box Exhaust Fan

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air vent,cat,litter box,window
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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?