product Filternational patent,Website:http://www.chinarebo.com, patent number: 2009200694799The filter is double coil type. The filtering basket adopts quick-remove style, which is convenient to be taken from the filter. The basket comprises three composite members, namely basket gland, basket strainer and basket plate. The basket gland and basket plate remain unchanged forever. The basket strainer can be removed quickly, which is convenient for replacement and cleaning. In addition, the basket strainer has standard model and dimension, which is replaceable and easy to buy.