The Aqua Pure AP Easy Drinking Water Systems and AP Easy Cooler Series have 1/4" OD Quick Connect Fittings on the inlet and outlet.Aqua Pure Water Fitlers / AP Easy replacement water filter cartridges fit the standard B2 head.  Filter heads with a B4 designation (small print on head) have a special key, we do not offer filters for the B4 head.  Not compatible with Whirlpool UltraEase models WHCF-SUFC, and WHCF-SUF.

Features:

• Reduces: Sediment, Chlorine, Taste, & Odor
  
• Micron Rating: 0.5 Nominal
  
• Flow Rate:  0.75 gpm
  
• Capacity:  750 gallons or 6 months
  
• (SQC) Sanitary Quick Change Design

Aqua-Pure C-CS-S Water Filter Alternate Part Numbers:

• 56180-09
  
• Grainger Part # 1MZU4
  
• 3M Part Number: 5618009
  
• 3M ID: 70020109628
  
• For use with the CS-S 5617905 System (3M ID: 70020109594)