Compatible to Intelifil (IF-SM-SCIG020B) 20"X4.5" Big Blue (GAC) Carbon-Polyphosphate Scale Inhibitor-Chlorine Filter by IPW Industries Intelifil (IF-SM-DI020B) 20"x4.5" 25 it increases hardness—you may need

it increases hardness—you may need a water softener downstream if hardness becomes an issue

Easy-Read GPM Scale

2 unit accuracy across the 6

The amino acid method provides reliable results without the need for harsh chemicals or complex procedures

ASSE/ANSI approved

Compatible to Intelifil (IF-SM-SCIG020B) 20"X4.5" Big Blue (GAC) Carbon-Polyphosphate Scale Inhibitor-Chlorine Filter by IPW Industries Intelifil (IF-SM-DI020B) 20"x4.5" 25 it increases hardness—you may needCompatible Replacement Filter by IPW Industries 20"4. 5" Big Blue GAC Carbon + Polyphosphate Scale Inhibitor Filter Compatible with Intelifil IF SM SCIG020B. Triple action filtration: coconut shell carbon removes chlorine and organics, food grade polyphosphate inhibits scale and corrosion, 10 micron nominal filtration traps sediment. Watts Compatible NSF 60 Certified Media 12,000 Gallon Capacity Whole House WHY IT WORKS Three filtration technologies