Bluonics 4 Big Blue (GAC) Granular Activated Carbon Water Filters 4.5" x 20" Cartridges
- 4 Big Blue Granular Activated Carbon Filters for a Standard Size 20" Big Blue Housing.
- Standard size filters 4.5”x 20”
- These can used for residential and commercial applications.
- Effectively eliminates many impurities from tap water to offer sparkling clean and great tasting water throughout your whole house.
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