Cost per gallon
Need a New RO Membrane? Replacement Cost Is $62.99 – Check TDS First
Aquasana's SmartFlow RO membrane is $62.99 and lasts 12 months; its carbon pair costs $183.98 a year. APEC and iSpring sets compared, plus the TDS check.
Aquasana's SmartFlow RO membrane is $62.99 and lasts 12 months; its carbon pair costs $183.98 a year. APEC and iSpring sets compared, plus the TDS check.