[ [第1级,3级通用]PP棉滤芯 ]
[ [第2级]颗粒活性炭滤芯 ]
[ [第4级]UF超滤膜滤芯 ]
[ [第5级]后置活性炭滤芯 ]
[ [第3级老款]烧结活性炭滤芯 ]
[ [整套滤芯] ]