• Model APDW80/90 fits AP-DWS1000
  
• Two Cartridge Set
  
• APDW80 (5 Micron Nominal) & APDW90 (1 Micron Nominal)
  
• High Capacity: 625 gallons or 1 year
  
• Two Stage Cartridge Includes Composite Media for Sediment, Chlorine Taste and Odor, Lead and Cysts.
  
• Second Cartrige: Carbon Block for VOC and MTBE
  
• Sanitary Quick Connect Design Allows for Quick and Easy Changing with Minimal Effort
  
• Cold Water Use Only
  

Aqua-Pure systems are considered by professionals to be the best on the market. To be sure your system is in top working order, you should check your filter cartridge every 4 - 6 months to see if they need replacing.