Pentek GAC-20BB Big Blue carbon filter 20in cartridge
20-inch granular activated carbon replacement cartridge for Pentair Big Blue housings. Helps reduce bad taste and odors, with a post-filter to reduce carbon fines; NSF tested and certified. Typical replacement every six months or when water quality changes
Highlights
- fits 20" Big Blue housings
- reduces taste, odors, and chlorine
- NSF certified
Pros
- reduces bad taste and odors
- fits 20" Big Blue and other 20" housings
- post-filter reduces carbon fines
- NSF tested and certified
- large capacity (approx. 25,000 gallons)
Cons
- some customers report clogging every 4-6 months
- loss of water pressure reported by users
- one customer reported failure at 32 days
Best For
Features
- Reduces bad taste and odors for general-purpose drinking water
- Fits 20" Pentair Pentek Big Blue and other 20" heavy-duty housings
- Post-filter reduces carbon fines and suspended particles from filtered water
- NSF International tested and certified for quality assurance
- Capacity of 25,000 gallons; replace every six months or when water quality declines
