
The Oltaven coffee machine filter cartridge is a water purification filter compatible with KRUPS coffee machines. It combines high-quality coconut shell activated carbon and food-grade ion…
FILTER MEDIA / ROLLS · SHEETS · DIE-CUT

The Oltaven coffee machine filter cartridge is a water purification filter compatible with KRUPS coffee machines. It combines high-quality coconut shell activated carbon and food-grade ion exchange resin to reduce chlorine, scale, heavy metals, and odors from tap water. It is designed for households and businesses using automatic, semi-automatic, or commercial coffee machines, and for OEM/ODM water filter customization.
A filter's performance is not decided by the filter media alone. The way the media is pleated, framed, and sealed determines how water flows through the cartridge, how much pressure it loses, and how long it lasts. At Oltaven, we sell finished filters, not just media. Our engineering team selects the right coconut shell activated carbon and food-grade ion exchange resin, then designs the internal structure to ensure optimal contact time and uniform flow distribution. The pleating pattern and density affect the surface area available for adsorption, while the frame and sealing provide structural integrity and prevent bypass. This integrated approach ensures that each finished cartridge delivers consistent filtration efficiency, low resistance, and high capacity for its intended use.
Three main factors determine the finished filter's efficiency, resistance, and capacity: media choice, forming process, and sealing quality. First, the media combination of activated carbon and ion exchange resin targets different contaminants—carbon adsorbs chlorine and organic compounds, while resin removes hardness minerals that cause scale. The ratio and grade of these media are tuned to the water quality and flow requirements. Second, the forming process, including pleating and framing, affects the filter's resistance. A well-designed pleat pattern maximizes surface area without creating excessive pressure drop, and the frame material and geometry ensure even water distribution. Third, sealing integrity prevents unfiltered water from bypassing the media, which would reduce efficiency. Oltaven controls these factors through in-house design and manufacturing, using automated lines and rigorous quality checks at every stage.
This filter cartridge is suitable for a wide range of coffee machines compatible with KRUPS, including fully automatic, semi-automatic espresso machines, and commercial coffee machines requiring softened water. It is also available for OEM water filter customization, allowing brands to adapt the filter for their specific equipment. The cartridge helps protect heating elements from scale buildup, extends machine lifespan, and maintains the authentic taste of coffee by reducing impurities in the water.
| Item | Detail |
|---|---|
| Filtration Media | High-quality coconut shell activated carbon + food-grade ion exchange resin |
| Micron Rating | Fine microporous interception, effectively traps sediment, rust, and other large particles |
| Filter Life | Approximately 250 liters 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 | Fully automatic coffee machines, semi-automatic espresso machines, commercial coffee machine water softening, OEM water filter customization |
| Certifications | Production complies with ISO 9001/14001, IATF16949, medical supplies GMP standards, and CNAS national testing certification |
Oltaven is based in Zhongshan, Guangdong, China, with over 20 years of experience in filter R&D and manufacturing. Our 50,000 m² production facility includes six cleanrooms totaling 20,000 m², ensuring a contamination-free manufacturing environment. We operate a CNAS-accredited laboratory that can issue test reports for filtration efficiency, dust holding capacity, and resistance. Our quality management systems are certified to ISO 9001, ISO 14001, and ISO 45001, and in 2024 we obtained IATF16949 certification for automotive quality. Products meet REACH and RoHS environmental regulations, and we provide compliance documentation. With multiple automated production lines, our monthly capacity reaches millions of units, and we have developed more than 1,000 filtration solutions for customers worldwide.
To begin your custom filter project, please provide the following details: device or vehicle model, required size or drawing, airflow or water flow rate, operating conditions (pressure, temperature, water quality), and estimated order quantity. Our team will respond with a tailored proposal and samples. Contact us to discuss your requirements and partner with Oltaven for reliable filtration solutions.
Resistance is influenced by the internal design, including pleat pattern, media grade, and sealing method. Even with identical outer dimensions, variations in these factors can change how easily water flows through the filter. Oltaven optimizes each design to balance efficiency and resistance for its intended application.
An OEM project starts with your inquiry, where you share the device model, size or drawing, water flow, operating conditions, and quantity. Our engineers then propose a design, provide samples for validation, and upon approval, proceed to production with full quality control.
The cartridge uses coconut shell activated carbon and ion exchange resin to reduce chlorine, heavy metals, scale, and odors. While exact efficiency depends on water quality and flow rate, the design targets effective reduction of common impurities to protect coffee machines and maintain taste.
Yes, we can adjust the media ratio and grade to suit specific water hardness and contaminant levels. Our team works with you to select the optimal configuration for your target market, ensuring reliable performance and longevity.
We provide samples for evaluation, typically with a short lead time. The standard MOQ for compatible models is 5,000 units, while custom OEM designs may require 10,000 units or more. Please contact us with your specific requirements for a detailed quote.
Standard orders are delivered in 30–45 days, and repeat orders in 25–35 days, depending on quantity and customization. Our automated lines and ERP system help ensure on-time delivery, and we maintain a high on-time rate for export customers.
Under normal usage, the filter lasts approximately 250 liters or 2–3 months, depending on local water quality and usage frequency. Regular replacement ensures continued protection against scale and impurities, safeguarding your coffee machine's performance.
Please <a href="/en/contact">contact us</a> with your device model, required size or drawing, water flow, operating conditions, and estimated quantity. Our team will respond promptly with a tailored proposal and quotation.