Key benefits:
Rigorous 4-stage filtration technology: the water undergoes a full purification process including: (1) initial mechanical filtration for coarse particles, (2) ion exchange to reduce water hardness and limescale, (3) powerful activated carbon filtration to remove chlorine, odors and off-tastes, and (4) final fine filtration for safe, quality water.
Full protection against limescale and corrosion: Brita's decarbonisation technology effectively neutralizes the minerals that form limescale. In this way, the filter keeps the heating elements working properly, prevents clogs and significantly extends the life of your coffee machine or water bar.
Exceptional installation flexibility: smart engineering that allows the filter to be installed either vertically (standing) or horizontally (lying down) – a perfect solution for making the most of space in crowded kitchen cabinets or closed niches.
Adjustable bypass for maximum savings: the system allows calibration of the bypass percentage on the head according to the water hardness in your area, ensuring optimal use of the filter capacity and savings on maintenance costs.
German quality and strict standards: made under strict quality control and meets the strictest international standards (NSF, KTW, ACS, ICIM), ensuring hygiene, full safety and exceptional resistance to high water pressures.
Technical specifications and dimensions:
Filtration capacity by bypass setting:
{NL}With a variable head (bypass set to 40%): filtration capacity of 960 liters of water.
With a fixed head (built-in 30% bypass): filtration capacity of 831 liters of water.
With a fixed head (no bypass – 0%): filtration capacity of 600 liters of water.
General comparative capacity: 435 liters.
Frequently asked questions
What's the difference between Brita's Quell ST and Finest models?
{NL}While the Finest series is designed specifically for manual espresso machines (because of the unique mineral composition it leaves for producing crema), the Quell ST series is the most general and reliable workhorse for limescale protection. It suits automatic coffee machines, hot and cold water dispensers, water bars and drinking systems. The Quell ST focuses on balanced, efficient water softening, preventing clogs and protecting machine components from limescale wear.
Why is the ability to install the filter horizontally a significant advantage?
{NL}In most filtration systems on the market, the filter must be placed vertically only to prevent air pockets or reduced flow efficiency. The Purity C series is uniquely engineered to provide 100% filtration efficiency even when lying down. This is a critical solution in home kitchens or offices where the sink cabinet is crowded with other systems (such as a food waste disposer or deep drawers) and doesn't allow the height for vertical installation.
Why buy from BEILINH2O?
BEILINH2O specializes in the specification, matching and professional installation of advanced filtration solutions, under-sink water systems and equipment for coffee lovers and professional kitchens. We are committed to supplying only original products from BRITA Germany, and carry out a clean, safe and precise installation for you, including testing the water hardness in your home and calibrating the bypass accordingly, along with personal, fast VIP technical support.
Want to protect your coffee machine from limescale damage and enjoy tastier, healthier water? Contact us now for advice and a great price quote!
Technical specifications
| Manufacturer model | BRITA PURITY C50 Quell ST |
|---|---|
| Filtration capacity | 960 liters (carbonate hardness 10°dH, variable-bypass head set to 40%); 831 liters with a 30% bypass head; 600 liters with a 0% bypass head |
| Flow capacity | 60 liters/hour (nominal flow, 0.25 bar pressure loss) |
| Dimensions (W × D × H) | 119 × 108 × 268 mm |
| Weight | 1.0 kg dry / 1.6 kg wet |
| Working pressure | Up to 8.6 bar |
| Water temperature | 4–30°C |
| Connection | G 3/8″ or John Guest 8 mm (via the filter head) |
| Filter media | Pre-filtration, carbonate hardness reduction, activated carbon and fine filtration |





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