Empty Shell 20″ Refillable Big Blue

Refillable Design:

  • Comes as an empty shell, allowing users to fill the cartridge with a filter medium of their choice, such as activated carbon, ion exchange resins, or KDF (Kinetic Degradation Fluxion) media.
  • Features a removable cap or end that securely seals the media inside while allowing for easy refilling and replacement


  • Refillable design reduces the need to purchase pre-filled cartridges, lowering long-term costs.
  • Only the filter media needs to be replaced regularly, rather than the entire cartridge.

The Empty Shell 20" Refillable empty shell cartridges offer a versatile and cost-effective solution for water filtration.  Their customizable design allows users to tailor the filtration process to specific needs, making them suitable for a wide range of residential, commercial, and industrial applications. With proper selection of filter media (Siliphos balls or Resin) and regular maintenance, these cartridges provide an efficient and flexible way to improve water quality.

These Empty Shell 20" Refillable allow users to fill them with various filter media according to specific filtration needs, making them suitable for a wide range of uses, from sediment filtration to chemical removal.  Made from robust materials designed to withstand the rigors of high-capacity filtration, ensuring longevity and reliability. Simple to refill and replace, making maintenance straightforward and cost-effective. The effectiveness of the filtration depends on selecting the appropriate media for the specific water quality issues you are addressing.

Ensure compatibility of the media with the water conditions and the desired filtration outcomes. Used as a primary or supplementary filter to address specific water quality issues throughout the home. Suitable for treating municipal or well water to improve overall water quality.

Regular monitoring and replacement of Siliphos balls are necessary to maintain their effectiveness. Effectiveness can vary based on the level of water hardness and the concentration of calcium and magnesium ions.

Additional information


Constructed from durable polypropylene or similar high-quality materials, ensuring chemical resistance and mechanical strength.
Designed to withstand high flow rates and pressures typical of Big Blue filtration systems.

Contact us

0861 987 654
076 719 8461

Physical address

Water Plant CC Shop
Groot Plaas R512 Broederstroom
Hartebeespoort, North West

Shop trading hours

Monday to Friday:
08:00am – 17:00pm

08:30am – 14:00pm

Sunday: Closed

Public Holidays:
08:30am – 14:00pm