Lagoon 600 CF Composite Filter

$138.00

The Kiyo® CF Composite Filter is a genuine replacement filter compatible with the Lagoon 600, providing the first stage of purification while helping protect the reverse osmosis membrane and improve the quality of your everyday water.


Combining sediment and activated carbon filtration into a single cartridge, the CF Composite Filter helps reduce rust, sand, sediment, fine suspended particles, chlorine, unwanted tastes, and odours before water reaches the reverse osmosis membrane. This pre filtration stage supports cleaner water while helping extend the life and performance of the complete system.


Designed for consistent everyday use, the Kiyo® CF Composite Filter helps maintain water quality, protect downstream filtration, and deliver cleaner, better tasting drinking water throughout the life of your Lagoon 600.

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  • Key Features

    A genuine replacement PAC Composite Filter designed specifically for the Kiyo® Lagoon K800 reverse osmosis system.

    Composite pre filtration


    Combines sediment and carbon filtration within one cartridge to prepare incoming tap water before it reaches the reverse osmosis filter.

    Helps reduce common tap water impurities


    Helps reduce rust, silt, colloids, suspended solids, residual chlorine, unwanted colour, taste, and odour.

    Supports RO filter performance


    By reducing larger particles and chlorine before the reverse osmosis stage, the PAC Composite Filter helps protect the downstream RO filter and support consistent system performance.

    Push-pull cartridge design


    Designed for straightforward replacement using the Lagoon K800 push-pull filter system, without tools or complicated plumbing work.

    Filter reminder support


    The Lagoon K800 monitors filter use and provides a reminder when replacement may be required.

  • Designed For

    The Kiyo® PAC Composite Filter is designed for Lagoon K800 owners who need to replace the system’s first-stage filtration cartridge.


    It is intended for use with municipal tap water and helps prepare incoming water before it reaches the reverse osmosis filter. This supports cleaner water, more consistent system performance, and better protection for the main purification stage.


    Replacement timing will depend on the Lagoon K800 filter reminder, incoming water quality, household consumption, and local operating conditions.

  • Purchase Options

  • Installation

    The PAC Composite Filter is installed in Filter Position 1 of the Lagoon K800.

    1. Before replacing the filter, turn off the water supply and disconnect power from the system.
    2. Release and remove the existing PAC cartridge according to the Lagoon K800 instructions.
    3. Align the replacement cartridge with Filter Position 1 and push it firmly into place until it is correctly seated and secured.
    4. After replacement, restore the water and power suppl y, reset the PAC filter reminder, and flush the system according to the Lagoon K800 filter replacement instructions before drinking the water.

    For complete replacement steps, refer to the Lagoon K800 user manual or filter replacement guide.

  • What's Included?

    • 1 × Kiyo® PAC Composite Filter

    The Reverse Osmosis Filter, tools, fittings, and installation services are not included unless selected separately or purchased as part of a replacement set.

  • Warranty

    The PAC Composite Filter is a replaceable consumable component.


    It is covered against manufacturing defects present at the time of supply. Filter life is not guaranteed and will vary depending on incoming water quality, water pressure, water temperature, household consumption, and local operating conditions.

    Normal reduction in filter performance through use is not considered a manufacturing defect.


    Damage caused by incorrect installation, unsuitable source water, excessive pressure, misuse, unauthorised modification, or failure to follow the supplied instructions is not covered.

    For full warranty terms, refer to the warranty information supplied with your purchase or contact Kiyo® before ordering.