Composite Filter 1
1. High Density Sediment remove substances bigger then 0.1 micron.
2. Granular Activated Carbon remove organic chemicals, formaldehyde, phenols, trihalomethane(ABS), Petrochemical substances (benzene, toluene), residual chlorine.

Composite Filter 2
1. Tourmaline Ball radiate far infrared
2. Granular Activated Carbon remove organic chemicals, formaldehyde, phenols, trihalomethane(ABS), Petrochemical substances (benzene, toluene), residual chlorine.
3. Calcium Sulfite remove chlorine ion