Purchase of gravity valveless filter
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The ongoing project calls for the use of gravity-type valveless filters; are there any reputable manufacturers you can recommend? How effective is this device? Are there any better alternative products?
I have quite a few manufacturers; when we made the purchase back then, there was circulating water available for this product, but we weren’t sure whether it was good or not.
There are quite a few in Yixing, Jiangsu. Our project has used products from three different manufacturers, and the best one seems to be Pure Water Thermal Engineering; one of the people in charge there has the surname Zhao.