Range: 0-9990 PPM

activated coconut shell                   husk  -high flow 2

This is a use-then-dispose-of in-line-softener

See owner's manual for complete warranty information

10" 5 Micron Carbon Block DUALRO/RODISYSTEM Range: 0-9990 PPMOur certified carbon blocks are made from roasted coconut shells (not coal). This filter is rated at 3,000 gallons. Removes chlorine and organic matter (VOCs). A 5 micron filter is the minimum protection required by your membrane. Carbon protects the membrane from oxidation and premature failure (holes in membrane) caused by chlorine breakthrough. If you have Chloramines in your water, this is the filter that we replace with our catalytic carbon