Lagoon 600 Reverse Osmosis Membrane filter

$288.00

The Kiyo® Reverse Osmosis Membrane is a genuine replacement membrane compatible with the Lagoon 600, delivering the deepest level of purification for cleaner, higher quality drinking water.


Using an ultra fine membrane rated at approximately 0.0001 micron, it helps reduce a broad range of dissolved impurities that conventional filtration cannot remove. Working together with the PAC Composite Filter, it forms the heart of the Lagoon K800 purification process to deliver cleaner, better tasting water every day.


Designed for long term performance and dependable purification, the Kiyo® Reverse Osmosis Membrane helps maintain the high level of water quality expected from your Lagoon 600.

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  • Key Features

    Designed for Lagoon K800

    A genuine replacement Reverse Osmosis Filter designed specifically for the Kiyo® Lagoon K800.

    Ultra fine reverse osmosis purification


    Uses a reverse osmosis membrane with a theoretical filtration accuracy of approximately 0.0001 micron.

    Helps reduce dissolved impurities


    Helps reduce dissolved salts, scale, selected heavy metals, bacteria, and other unwanted substances, depending on source water quality and operating conditions.

    Core purification stage


    Performs the Lagoon K800’s main purification process after incoming water has passed through the PAC Composite Filter.

    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® Reverse Osmosis Filter is designed for Lagoon K800 owners who need to replace the system’s main purification cartridge.


    It is intended for households using municipal tap water that want to maintain the Lagoon K800’s reverse osmosis performance and continue producing cleaner, better tasting water for everyday drinking and cooking.


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

  • Purchase Options

    Single Reverse Osmosis Filter


    One replacement Reverse Osmosis Filter for the Lagoon K800.

    PAC and RO Replacement Set


    A complete replacement set containing one PAC Composite Filter and one Reverse Osmosis Filter for customers who prefer to replace both Lagoon K800 cartridges together.

  • Installation

    The RO Filter is installed in Filter Position 2 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 RO 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® Reverse Osmosis Filter

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

  • Warranty

    The Reverse Osmosis Filter is a replaceable consumable component.


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


    Normal reduction in membrane 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.