Filter cartridge for gravity-fed water treatment devices
作者： John D. Tanner , David J. Emmons
DOI:
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摘要: A filter cartridge (20) for a gravity-fed water treatment device having porous particulate (24) disposed therein. The has an open upper end, closed lower and sidewalls therebetween. Water is treated as it flows through the of filter. also contains granular media (26) within
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