About the product
- ECONOMICAL SOLUTION for chlorine, taste & odor reduction, as well as sediment filtration
- FITS ALL 20" Big Blue Housings and other 20" heavy duty housings and can replace any 20" x 4.5" carbon water filter cartridge
- HIGH POROSITY DESIGN helps plugging, maximizing utilization while maintaining low pressure drop
- NSF INTERNATIONAL tested and certified for your peace of mind
- 30,000 GALLON CAPACITY. Replace every 6 months or when you notice a drop in water pressure or water quality
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