珍珠岩粉粘附在過濾器支架上，形成過濾材料塗層，可截留小至1微米粒子。可多次重複使用，減少化學藥劑的使用、電力支出、廢水排放。有效一次性過濾，精密的過濾效果清澈度超越飲用水。
Perlite as the regenerative filtering media, sticks to the filter supports, forming a coating of filtering material, retaining particles as small as 1 micron in size.