Bokosi la pepala loyera lopangidwa ndi Great Wall Filtration limapangidwa ndi zida zopangira ma cellulose ndipo ilibe zida zamchere. Mkulu mphamvu, reusable; Kukana kwamphamvu kwamankhwala, koyenera kumadera osiyanasiyana amadzimadzi. Zopangidwa ndi fiber zoyera zimagwiritsidwa ntchito kwambiri. Cocoa imagwiritsidwa ntchito pakusefera kolimba kwamadzimadzi owoneka bwino kwambiri, kusefera kothandizira pakusefera kwa zosefera zothandizira, kupukuta, kuwunikira komanso kusefera bwino kwamafakitale osiyanasiyana.
