Check the listing for details. Navien GWFC110GD001 PeakFlow Replacement Filter Media. Condition: New. Listed at 93.76 USD. Product Description The Navien GWFC110GD001 is a PeakFlow Replacement Filter Media designed for use in PeakFlow systems. This media cartridge plays a crucial role in reducing scale buildup, contributing to the efficient operation of tankless water heaters.Designed for PeakFlow systemsEffective scale preventionEasy to replaceProduct Highlights This media cartridge helps maintain the performance of your water heating system by effectively preventing scale buildup.Product InformationStandard InformationBrand: NavienManufacturer Part Number: GWFC110GD001Technical SpecificationsType: Scale RemoversApplication: Tankless Water Heater SystemsUPC: 775600011724Product ID: eeece194-d194-4c5d-9c27-b026011c8e62Product Link: Ferguson Product LinkAlternative Product Link: Pacific Plumbing Product Link