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Lisa
I congratulate everyone on the New Year 2010! Let's start the new year with new crafts; I propose a new line of wave boxes powered by 220V alternating current pumps for large volumes. This box, with a volume of 5 liters, is a bit small for the pump, so it has a 43mm impeller. If a larger 57mm impeller is used, the box volume needs to be increased to 7-10 liters, and the "wave" will accordingly increase. Photos and videos are attached: