NorthStar Reverse Osmosis Pre and Post Filter Set with Battery and filter change replacement reminder tag included - part # 7287506

Fits NorthStar Model NSRO42C4 RO Systems

Manufacturer recommended filter change interval - every 6 months

*** Please note that due to health and sanitation reasons we are unable to process returns on opened filter packages that don't fit your model. Please ensure that you're ordering correct filters for your system***