The gravity water purifier Pure Filters
Simple, powerful filtration without electricity
Filtering is easy. Proving it is what we do.
The Pure Filters HOME 2,4 GAL is our most popular water purifier. Equipped with Coldstream FTO+ filters for maximum purity and safety. The 2,4 GAL model is ideal for 2 to 3 people.
Effective filtration isn't measured by the first litre,
but by its long-term performance.
Coldstream FTO+ filters use advanced technology combining high-density ceramic with high-performance activated carbon, ensuring optimal and consistent filtration.
Filtered water,
with consistent performance,
right up to cartridge replacement.
Coldstream FTO+ cartridges are designed to effectively reduce a wide range of contaminants, including bacteria, viruses, heavy metals, nitrates, fluoride, and pharmaceutical residues, while preserving the essential minerals naturally present in water.
We recommend replacing the cartridges every 6 months. Once the filter is put into service, the activated carbon remains effective for approximately 6 months. Activated carbon is extremely efficient at adsorbing a wide range of contaminants, but its pores gradually become saturated over time, which limits its service life.
We publish all test results in full, based on realistic and relevant filtration volumes for everyday use. This dual commitment—comprehensive contaminant coverage and complete transparency regarding raw test data—positions Coldstream as one of the most rigorous and transparent brands in the gravity-fed water filtration market.
Unlike many low-cost alternatives, we provide full traceability, verifiable scientific data, and performance testing up to 3,000 litres by an independent laboratory using NSF/EPA testing protocols. Choosing a European-made filter means trusting a tradition of excellence and ensuring the safety of your drinking water.
Simple, powerful filtration without electricity
Understanding what TDS really measures
Understanding the key differences