Looking to boost pH levels and enjoy fresher, better-tasting drinking water? Our premium alkaline filter cartridges are designed to add essential minerals back into your water while improving overall balance and smoothness. Whether you're maintaining an under-sink system, a benchtop filter, or a reverse osmosis setup, these cartridges are the perfect upgrade for anyone wanting mineral-rich, alkaline water. We supply high-quality options suitable for households across the country, including customers searching for alkaline filter replacement cartridges in Sydney and those needing reliable options throughout Australia. Simply choose the alkaline filter cartridge that fits your system and enjoy cleaner, smoother, mineral-enriched water every day.
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Delivering clean, healthy water to Australian families since 1987, experience you can depend on.

Unlike many retailers, we design and manufacture our own high-quality water filters to ensure superior performance.

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Our team ensures quick installation, after you purchase your desired water filter or its spare parts.
Alkaline cartridges are specialised filters containing natural mineral media that remineralize purified water, typically after it has gone through reverse osmosis or other thorough filtration processes. These cartridges work by:
At Filpure, our Australian-designed alkaline cartridges use premium mineral media consisting of calcium, magnesium, potassium, and other trace minerals essential for optimal health. These cartridges integrate seamlessly with most standard filtration systems, making them an ideal upgrade for your existing setup.
Choosing Filpure alkaline filter cartridges provides numerous advantages:
When selecting an alkaline filter cartridge for your water system, consider these important factors:
Filpure’s range of alkaline cartridges is designed to meet all these requirements while providing excellent value for money. Our cartridges are engineered and tested in Australia to ensure they deliver consistent quality and performance in local water conditions.
Installing a Filpure alkaline cartridge is straightforward in most filtration systems:


















Most users should replace their cartridge every 6-12 months. Signs of needed replacement include reduced water flow, changes in taste, or return to more acidic pH levels.
Yes, many users report a smoother, more refreshing taste compared to regular filtered or tap water due to the balanced mineral profile.
Absolutely! Many customers enjoy using alkaline water for cooking, making coffee, or preparing other beverages to enhance flavors and reduce acidity.
What are you waiting for? Get a quality & affordable water filter today — contact our friendly team now.