... a disposable filters) · With nano-metal clusters media: remove chemicals such as soluble heavy metal ions · With activated carbon core: improves ... 5cm Material: Stainless steel and ABS plastic, Ceramic, Nano-metal clusters media (NMC), Activated carbon Characteristics: (1) ... contaminants of algae, worms, dusts, etc.(2) Nano-metal clusters media (Patent No. ZL200610034167.5) · Highly efficiently ...