I've seen the trashcan chillers work with a 700w fogger, I am not sure about the lower wattage ones. They might not put out enough volume to go through 24' of the vent ducting. The auto timmers have to be made to fit your fogger.
http://www.frightcatalog.com/Hallowe...Timer-1405010/

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As darkness falls, the path ahead becomes veiled in gloom. A jack-o-lantern shines through the night. It's horrible visage serves two fold. To keep wickedness at bay, and remind travelers their fate, if they wander off the path.
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