I purchased a 12 volt vacuum on ship from China for about $20 on eBay. It works pretty well in the first video it was turned on just a split second before the camera. It took about 30 seconds to start the degassing.
http://youtu.be/LjXbtNsZ5_k
http://youtu.be/zfOdis8P5JU
http://youtu.be/-8IdECPlxYs
http://youtu.be/LjXbtNsZ5_k
http://youtu.be/zfOdis8P5JU
http://youtu.be/-8IdECPlxYs
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