Keurig K-Classic Water Filter Starter Kit Replacement Plastic Made in USA or Imported Great taste starts with great water. This simple filtration kit fits right inside your Keurig K-Cup brewer water reservoir. Kit includes: One filter handle and two water filter cartridges (4-month supply). Water Filters help remove chlorine from your water. CartridgesShould be changed every 2 months, or 60 tank refills -Additional replacement filter cartridges sold separately. Compatibility: For use with Keurig K-Cup brewing systems only (models prior to Keurig 2.0 brewers). Not compatible with Keurig 2.0 brewing systems.