NU Aqua 4.5" x 20" Whole House Granular Activated Carbon Filter - 5 Micron GAC Replacement MI504-100 and salts from your water

and salts from your water

and questionable outdoor sources

Sold separately: CW5-BBS

organic acids

conductivity and total dissolved solids measurements became easy and affordable for everyone

NU Aqua 4.5" x 20" Whole House Granular Activated Carbon Filter - 5 Micron GAC Replacement MI504-100 and salts from your 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