(1) Big Blue 20"x 4.5" Whole House GAC Granular Activated Carbon Water Filter.

1 x 20 Inch Big Blue GAC (Granulated Activated Carbon) Filter

• Size 4.5 inch x 19 7/8 inch fits Big Blue filter housings
• Removes chlorine, turbidity, bad taste & odors, sediment, dirt, and THMS from water.
• Thick Wall Coconut Base Carbon Filter Media - 100% coconut shell carbon Designed For 
• maximum contact between the water and carbon.
• 5 Micron nominal filter membrane included to prevent carbon fines to pass from the filter to your drinking water.
• Weight: 5.5 lbs each filter
• Operation Temperature: 40°F to 125°F
• Operation Pressure: 25-75 PSI maximum.
• Low pressure drop across filter stage.
• Filter Life: min 20,000 to 35,000 Gallons (depend on your incoming water quality