#20 Big Blue GAC Carbon Filter Cartridge – 20” x 4.5” (Chlorine, Taste & Odor Reduction)
The #20 Big Blue GAC Carbon Filter Cartridge is a granular activated carbon (GAC) filter designed for whole house water filtration. Built to fit any standard 20” x 4.5” Big Blue housing, this cartridge effectively reduces chlorine, unpleasant tastes, and odors, delivering cleaner, fresher water to every outlet in the building.
This filter uses impregnated coconut shell carbon, known for its strong adsorption capabilities and chlorine reduction performance. While not NSF 53 certified, it offers reliable general-purpose water improvement for residential, irrigation, or light commercial applications.
Product Details
Key Features
Granular Activated Carbon (GAC) for broad surface area and effective filtration
Reduces Chlorine, Taste, Odor, and Organic Compounds
Fits Standard Big Blue 20” x 4.5” Filter Housings
Pentek-Compatible Design
Not NSF 53 Certified – For General Filtration Use
High Flow Rates and Low Pressure Drop
Specifications
Filter Type: GAC (Granular Activated Carbon)
Size: 20” x 4.5” (Big Blue #20)
Material: Coconut shell carbon impregnated media
Micron Rating: Approx. 10 Micron (Nominal)
Max Flow Rate: 5 – 10 GPM (Varies by system)
Chlorine Reduction Capacity: ~20,000 – 30,000 gallons @ 1 ppm
Operating Pressure: 30–100 PSI
Operating Temperature: 40°F – 100°F
Certifications: Not NSF 53 Certified
Dimensions
Length: 20 inches
Diameter: 4.5 inches
Weight: Approx. 4.0 – 4.5 lbs