NU Aqua 4.5" x 20" Whole House Granular Activated Carbon Filter - 5 Micron GAC Replacement EC calibration solution 1413 Prevents & Removes Hard Water

Prevents & Removes Hard Water Scale

and other treatment stages

compost the mineral media and place the plastic housing in your curbside recycling bin

Hanna's Clogging Prevention System (CPS™) technology and spherical glass sensing bulb made with general purpose glass

healthier shower water with convenient replacement filters included

NU Aqua 4.5" x 20" Whole House Granular Activated Carbon Filter - 5 Micron GAC Replacement EC calibration solution 1413 Prevents & Removes Hard WaterDeliver clean, chlorine free water throughout your entire home with the NU Aqua 4. 5" x 20" Whole House Granular Activated Carbon (GAC) Filter. Engineered with advanced HydraCoil technology, this premium 5 micron replacement filter provides superior chlorine removal and contaminant reduction for whole home water filtration systems. Advanced HydraCoil Technology Unlike standard carbon filters, this NU Aqua GAC filter is manufactured using proprietary