Ultra High Purity Reverse Osmosis Replacement Filter Cartridges

Ultra High Purity Reverse Osmosis Replacement Filter Cartridges are designed for the Ultra High Purity Reverse Osmosis System with AlkaHydrate, which uses a five-stage filtration process.

The replacement cartridge range includes sediment filtration, GAC carbon filtration, a high-precision reverse osmosis membrane, AlkaHydrate mineralisation and final carbon polishing.

Using high-quality Omnipure cartridges, these filters help maintain system performance while supporting clean, fresh and great-tasting drinking water.

These replacement cartridges are suitable for home kitchens, apartments and selected office or workplace kitchen installations using the compatible Ultra High Purity system.

Customers can purchase individual replacement cartridges or choose the Ultra High Purity RO Complete Replacement Filter Pack, which includes all five filters required for a complete annual filter change.

• Replacement filter cartridges for compatible Ultra High Purity Reverse Osmosis Systems

• Designed for five-stage reverse osmosis filtration setups

• Suitable for systems with left-hand membrane configuration

• Includes sediment, GAC carbon, RO membrane, AlkaHydrate mineralisation and final carbon polishing

• Helps maintain clean, fresh and great-tasting drinking water

• Helps maintain system performance and water quality

• Helps reduce dirt, sand, rust, chlorine, taste and odour

• RO membrane helps reduce fluoride, lead, PFAS, selected heavy metals, bacteria and other unwanted contaminants

• AlkaHydrate Filter helps raise pH, add selected minerals and support mineral-rich drinking water

• Suitable for home, apartment and selected workplace kitchen use

• Available as individual replacement cartridges or as the Ultra High Purity RO Complete Replacement Filter Pack

• Complete pack includes 1 sediment filter, 2 GAC carbon filters, 1 RO membrane and 1 AlkaHydrate filter

• Recommended replacement every 12 months

For a complete annual filter change, choose the Ultra High Purity RO Complete Replacement Filter Pack.

The pack includes:

• 1 × Sediment Filter

• 2 × GAC Carbon Filters

• 1 × Reverse Osmosis Membrane

• 1 × AlkaHydrate Alkaliser-Remineraliser Filter

This provides all five replacement cartridges required for the Ultra High Purity Reverse Osmosis System with AlkaHydrate in one convenient pack.

Stage 1 – Omnipure Sediment Filter WL5605, 5 Micron, 10"

The Stage 1 Omnipure Sediment Filter helps reduce dirt, sand, rust and other larger particles from the incoming water supply.

This first stage helps protect the filters that follow and supports the overall performance of the Ultra High Purity Reverse Osmosis System.

Recommended replacement: Every 12 months.

Stage 2 – Omnipure GAC Filter WL5640, 5 Micron, 10"

The Stage 2 Omnipure GAC Filter helps reduce chlorine, taste, odour and organic compounds before water reaches the reverse osmosis membrane.

This carbon filtration stage helps protect the RO membrane and supports cleaner, better-tasting drinking water.

Recommended replacement: Every 12 months.

Stage 3 – RO Membrane Filter WL5572, 75GPD, Left Hand, 0.0005 Micron, 10"

The Stage 3 RO Membrane Filter is the main reverse osmosis filtration stage.

This membrane screens down to 0.0005 micron and helps reduce fluoride, lead, PFAS, selected heavy metals, bacteria, viruses and other unwanted contaminants.

Recommended replacement: Every 12 months.

Stage 4 – Omnipure AlkaHydrate Alkaliser-Remineraliser Filter WL5550, Left Hand, 10"

The Stage 4 AlkaHydrate Filter helps raise pH, add selected minerals and remineralise the purified water after reverse osmosis.

This stage supports fresh, mineral-rich drinking water before the water passes through the final carbon polishing stage.

Recommended replacement: Every 12 months.

Stage 5 – Omnipure GAC Filter WL5640, 5 Micron, 10"

The Stage 5 Omnipure GAC Filter provides final carbon polishing before the water reaches your drinking water tap.

This final stage helps improve taste, reduce odour and support clean, fresh drinking water for everyday use.

Recommended replacement: Every 12 months.

Ultra High Purity Reverse Osmosis Replacement Filter Cartridges help support the reduction of:

• Dirt, sand and rust

• Sediment

• Chlorine

• Taste and odour

• Organic compounds

• Fluoride

• Lead

• PFAS

• Selected heavy metals

• Bacteria

• Viruses

• Other unwanted contaminants

Actual performance may vary depending on water quality, usage, system condition and correct filter replacement.

These replacement cartridges are designed specifically for the Ultra High Purity Reverse Osmosis System with AlkaHydrate.

The system uses five filtration stages, including sediment pre-filtration, carbon pre-filtration, a 0.0005 micron reverse osmosis membrane, AlkaHydrate mineralisation and final coconut carbon polishing.

If you are looking for the complete filtration system rather than replacement cartridges, you can view it here:

View Ultra High Purity Reverse Osmosis System with AlkaHydrate

Ultra High Purity Reverse Osmosis Replacement Filter Cartridges should be replaced every 12 months to help maintain water quality, water flow and system performance.

Replacing your filters on time helps protect the system, maintain filtration efficiency and support clean, fresh drinking water from your reverse osmosis tap.

Stay on top of your Ultra High Purity filter replacements with our automatic filter subscription options.

All five cartridges are recommended for replacement every 12 months, helping make annual system maintenance simple and easy to remember.

View Filter Subscription Plans

Need help replacing the filters in your Ultra High Purity Reverse Osmosis System with AlkaHydrate?

Filtered Water Systems offers a dedicated reverse osmosis filter replacement service to help keep your system maintained and performing as intended.

Book Reverse Osmosis Filter Replacement Service

Need help choosing the correct Ultra High Purity Reverse Osmosis Replacement Filter Cartridges, filter subscription plan or replacement support?

Contact Filtered Water Systems and we’ll help you choose the right option for your reverse osmosis system.

Phone: +61 478 800 996 Email: sales@filteredwatersystems.com.au