AC

Coconut shell granular activated carbon

POLYPHOSPHATE

Crystal polyphosphate slow resolved type

KDF

KDF 55

GRAVEL SAND

Grain or fine type

RN-AN

Anion resin

RN-CA

Cation resin

RN-MX

Mix-bed resin

HERB STONE

Natural herb stone

CERAMIC BALL

Far infared ceramic ball-red

CERAMIC BALL

Far infared ceramic ball-white