I'm glad Skip has had good luck with the Pro-Select fans. I bought them too as well as the cooler ring and they didn't move as much air as I would have liked
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I found fans that were about 8" in diameter that run off batteries in the camping section of Wal-Mart. They can either be hung or stand up on their own base. I have used them for myself when camping in a tent and every time they worked great
. The dogs seem to like them too. I went to a I. Balabanov clinic a few years ago at the end of July and even in that heat my Rottie was comfortable. I believe I paid around $10.00 for them. They have a high and low setting and the batteries last several days even when the fan was run on high.