Remove the packaging from your replacement filter

accurate results for longer

No prepaid mailers

Hanna HI70007G pH 7

Stage 3 ion-exchange resin removes lead

NU Aqua Carbon Post Filter - Final Stage Polishing Filter for RO Systems freshwater testing Remove the packaging from yourDescription This NU Aqua Carbon Polishing Filter is a suitable replacement for the NU Aqua Platinum Series Reverse Osmosis System. It is compatible with standard systems, and installation simply requires a 1 4 NPTF fitting. Made with high quality carbon, these filters effectively eliminate chlorine, odors, and unpleasant tastes, providing the final touch to purify your drinking water.