KO-KR
Celrith coffee machine filter cartridges are compatible with KRUPS machines and are designed to reduce limescale, chlorine, heavy metals, and odours in the water used for brewing. They combine high-quality coconut-shell activated carbon with food-grade ion-exchange resin to protect heating elements and maintain coffee flavour. This filter is intended for households, cafés, and commercial coffee services that want reliable water treatment and extended equipment life.
Water contains dissolved minerals, residual chlorine, organic matter, and suspended particles that affect both the taste of coffee and the reliability of the machine. When water is heated, calcium and magnesium ions precipitate as limescale, which coats heating elements and restricts flow. Chlorine and organic compounds create off-flavours and odours that mask the coffee's natural profile. Sediment such as rust and sand can clog small orifices and valves. These contaminants are present even in municipally treated water and become more concentrated as water evaporates or sits in the machine.
For coffee equipment, the consequences are cumulative. Scale buildup reduces heat transfer efficiency, leading to longer heating times and higher energy use. It can also cause blockages in thermoblocks and solenoid valves, resulting in costly repairs or downtime. Chlorine not only affects taste but can also degrade rubber seals and plastic components over time. Organic impurities can support microbial growth in the water tank or lines. Addressing these issues at the point of use is more effective than treating the entire water supply, especially for small and medium-sized coffee operations.
The load that untreated water places on a coffee machine is both chemical and physical. Scale deposits act as an insulating layer on heating elements, forcing them to work harder and increasing the risk of overheating and failure. In espresso machines, scale can alter the pressure profile and affect extraction consistency. Sediment particles can abrade pump components and block narrow passages in valves and fittings. Chlorine and other oxidants accelerate the aging of elastomers and plastics, leading to leaks and premature replacement of parts.
Beyond the machine itself, water quality affects the sensory quality of the beverage. Chlorine and organic contaminants contribute to flat or unpleasant flavours, while the correct mineral balance enhances sweetness and aroma. For businesses, inconsistent water quality can lead to variability in coffee taste and customer dissatisfaction. For households, the cost of descaling and repairs adds up over time. A dedicated filter cartridge reduces these loads by removing the contaminants before they enter the machine's water circuit.
Celrith filter cartridges use a layered approach to water treatment. Coconut-shell activated carbon provides a high surface area for adsorbing chlorine, organic compounds, and odours. Food-grade ion-exchange resin exchanges calcium and magnesium ions for sodium or hydrogen ions, effectively softening the water and preventing limescale formation. The filtration media are contained within a cartridge that fits directly into compatible KRUPS machines, allowing for simple replacement.
The micron rating of the filter is designed to intercept fine particles, including sediment and rust, before they reach the brewing system. The combination of adsorption, ion exchange, and mechanical filtration addresses the main contaminants that affect both taste and equipment health. Celrith manufactures these cartridges in a facility that follows strict quality management systems, ensuring consistent performance from unit to unit. The filter life is rated at approximately 250 litres or 2–3 months, depending on local water hardness and usage frequency.
| Item | Detail |
|---|---|
| Filtration Media | High-quality coconut-shell activated carbon and food-grade ion-exchange resin |
| Micron Rating | Fine microporous interception; effectively captures sediment, rust, and large particles |
| Filter Life | Approximately 250 litres or 2–3 months (depending on local water quality and usage frequency) |
| Operating Pressure | 20–120 psi (approximately 1.4–8.3 bar) |
| Operating Temperature | 2°C–38°C (cold water filtration only) |
| Applications | Automatic coffee machines, semi-automatic espresso machines, commercial coffee machine water softening, OEM water filter cartridge customisation |
| Certifications | Production complies with ISO 9001/14001, IATF 16949, medical supplies GMP standards, and CNAS national-level testing certification |
Celrith coffee machine filter cartridges are used in a variety of settings where water quality is critical. In homes, they extend the life of automatic and semi-automatic espresso machines by preventing scale buildup. Cafés and restaurants use them to ensure consistent taste and reduce maintenance downtime. Commercial coffee services, such as offices and hotels, rely on them to protect high-volume brewing equipment. The cartridges are also suitable for OEM and ODM projects, where custom formulations and branding are required to meet specific market needs.
Celrith products are manufactured in a facility that meets REACH and RoHS environmental compliance requirements, and we can provide supporting documentation. The company holds ISO 14001 and ISO 45001 certifications, reflecting our commitment to environmental and occupational health and safety management. Our in-house laboratory is CNAS-accredited and can issue test reports on filtration efficiency, dust holding capacity, and resistance. The production base covers 50,000 square metres, including 20,000 square metres of cleanrooms across six workshops, ensuring a controlled manufacturing environment. We are also certified to IATF 16949, the automotive quality management standard, demonstrating our capability to serve demanding industries.
To discuss your requirements or request a quote, please contact us with the following details: your device or vehicle model, required size or drawing, airflow or water flow specifications, operating conditions, and estimated quantity. Our team will respond promptly with tailored recommendations and samples if needed. Contact us to start the conversation.
Celrith coffee machine filter cartridges reduce limescale, chlorine, heavy metals, odours, and organic impurities, as well as sediment and rust. They use coconut-shell activated carbon and food-grade ion-exchange resin to target these contaminants.
By removing scale-forming minerals and sediment, the filter helps prevent blockages and overheating in heating elements and valves. This can extend the machine's service life and maintain consistent brewing performance.
Celrith cartridges are designed to fit mainstream KRUPS coffee machine models as a direct replacement. For specific model verification, please provide your machine details, and we can confirm compatibility or supply a sample for testing.
Replace the cartridge approximately every 250 litres or every 2–3 months, whichever comes first, depending on local water hardness and usage. Regular replacement ensures continued protection against scale and contaminants.
Yes, we can provide samples for evaluation. Please contact us with your requirements, and we will arrange samples and a quotation tailored to your needs.
The standard MOQ for compatible models is 5,000 pieces. For OEM customised versions, the recommended MOQ is 10,000 pieces or more, depending on the level of customisation.
Standard orders typically ship within 30–45 days, while repeat orders take 25–35 days. For stock or small batch orders, delivery can be 15–20 days. Custom OEM projects may require 25–30 days for production after sample approval.