Product Type Core FilterFiltration Stages 3-Stage / 4-StageCompatibility Purewell K Series & SS Series Filter SystemsPackage Quantity 1 Box / 2 FiltersFilter Life Up to 6,000 Gallons per BoxFlow Rate Up to 4 Gallons per Hour with 2 Filters InstalledUse For Gravity Water Filter SystemsFilter Size Approx. 2.64 in 8.66 in / 6.7 22 cmBox Weight Approx. 1.32 lb Net / 1.46 lb GrossFiltration Options & Item Numbers
3-Stage Advanced
Item No. K8012Filter Material
- Activated Carbon
- Silver Ion
- Hollow Fiber UF Membrane
Key Functions0.01 m Pore Size Removes Bacteria Reduces Chlorine
4-Stage Reduce Fluoride
Item No. K8014Filter Material
- Activated Carbon
- Silver Ion
- Fluoride Reduction Material
- Hollow Fiber UF Membrane
Key Functions0.01 m Pore Size Removes Bacteria Reduces Chlorine Reduces Fluoride
4-Stage Raise PH Level
Item No. K8015Filter Material
- Activated Carbon
- Silver Ion
- Alkaline Material
- Hollow Fiber UF Membrane
Key Functions0.01 m Pore Size Removes Bacteria Reduces Chlorine Raises PH LevelUse Notes01
Choose 3-Stage Advanced for everyday filtration with activated carbon, silver ion, and UF membrane filtration.
02
Choose 4-Stage Reduce Fluoride if you want added fluoride reduction in addition to the core filtration layers.
03
Choose 4-Stage Raise pH Level if you want core filtration with an added alkaline material layer.
04
Designed for Purewell K Series and SS Series gravity water filter systems.
05
Also works as a replacement option for select ProOne Big+ / Big II Series and Berkey BB9-2 style systems, including Travel, Big, Royal, Imperial, Light, and Crown Berkey Series.
06
Flush filters before first use and replace them when the rated capacity is reached or when water flow becomes noticeably slower.
Note: Filter life and flow rate may vary depending on source water quality, usage frequency, and maintenance conditions. Always check your system size and filter compatibility before purchase. Third-party brand and model names are used for compatibility reference only.
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