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This Thesvin coffee machine water filter is a drop-in cartridge compatible with KEURIG brewers, engineered to reduce chlorine, odours, hardness minerals and organic impurities in the water feeding your machine. It combines coconut-shell activated carbon with food-grade ion-exchange resin to protect the brewing path from scale and off-tastes. It is aimed at OEM/ODM buyers, distributors and service operators who need a repeatable fit and a documented supply chain.
Fitment is the first thing to settle. The cartridge is dimensioned as a direct replacement for the KEURIG-style filter slot, so the housing seats into the reservoir or filter head without adapters. The outer profile is held to a controlled diameter and length so the cartridge drops in and locates positively, and the outlet end is matched to the host port so water passes through the media rather than bypassing it. For OEM projects, the same interface logic applies to other coffee-machine platforms: we match the seat diameter, insertion depth and port position to your drawing before tooling.
Because the cartridge sits in a cold-water reservoir or inline head, the operating envelope matters as much as the shape. The unit is rated for 20–120 psi (about 1.4–8.3 bar) and 2°C–38°C, cold water only. If your machine runs higher line pressure or hot-side feed, tell us at inquiry stage so the fitment and media can be reviewed rather than assumed.
The media is a layered bed of premium coconut-shell activated carbon and food-grade ion-exchange resin. The carbon addresses chlorine, chloramine-related taste and odour and organic compounds that flatten coffee flavour; the resin exchanges calcium and magnesium ions that form scale on heating elements and brew heads. Fine micro-pores in the media block sediment and rust particles before they reach the brew path. The result is water that is cleaner in taste and gentler on the machine, which supports more consistent extraction and longer service intervals between descaling.
Filter life is approximately 250 litres or 2–3 months, whichever comes first, depending on local water quality and daily brew volume. In hard-water areas or high-volume commercial use, the shorter end of that range is the safer planning figure. The cartridge is intended for cold-water filtration only; it is not a hot-side or boiler-mounted filter.
| Item | Detail |
|---|---|
| Filtration media | Premium coconut-shell activated carbon + food-grade ion-exchange resin |
| Micron rating | Fine micro-pore interception; blocks sediment, rust and large particles |
| Filter life | Approx. 250 litres or 2–3 months (varies with local water quality and use frequency) |
| Operating pressure | 20–120 psi (approx. 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 |
| Quality systems | Production conforms to ISO 9001/14001, IATF 16949, medical supplies GMP standard; CNAS national-level testing certification |
Thesvin operates a 50,000 m² production site in Zhongshan, Guangdong, China, including six clean rooms totalling 20,000 m². Quality control runs through IQC, IPQC and OQC, so dimensional consistency is checked at incoming, in-process and outgoing stages rather than left to final inspection alone. The company holds ISO 9001, ISO 14001 and ISO 45001 certification and added IATF 16949 in 2024, reflecting automotive-level process discipline applied to filtration production.
An in-house laboratory accredited by CNAS (China National Accreditation Service for Conformity Assessment) can issue test reports on filtration efficiency, dust holding capacity and resistance, giving you citable data for your own product files. Products meet REACH and RoHS requirements and compliance documents can be provided. With more than 20 years of filtration R&D and manufacturing and continuous export to Europe, the United States, Japan and Korea, the team has developed over 1,000 filtration solutions and supports OEM/ODM customisation of size, structure, media grade, logo and packaging. Multiple automated lines support monthly capacity in the millions of pieces.
Standard compatible cartridges typically ship in 15–20 days for stock or small-batch orders; OEM customised versions usually run about 25–30 days including tooling and packaging development. MOQ is 5,000 pieces for the standard compatible model and recommended at 10,000 pieces or more for OEM customisation.
To move quickly, send us the device or vehicle model, a size sketch or drawing, the required airflow or water flow, operating conditions (pressure, temperature, water hardness), and your target quantity. If no drawing exists, an old part and a photo of the seat are enough for our engineers to start. Contact our team to request a sample, a quotation or a fitment review.
The cartridge is dimensioned for the KEURIG-style filter slot and seats into the reservoir or filter head as a direct replacement. Fit depends on the specific model, so send the machine model and a photo of the seat before ordering. We can confirm the interface against your unit.
Yes. An old cartridge plus a photo of the seat is enough for our engineers to check the outer profile, port position and insertion depth. We will compare it with our standard tooling and tell you whether a standard or custom part is the right route.
The coconut-shell activated carbon and ion-exchange resin reduce chlorine, taste and odour, hardness minerals and organic impurities, while fine micro-pores block sediment and rust. Filter life is approximately 250 litres or 2–3 months, whichever comes first, depending on water quality and brew volume.
Yes. We support OEM/ODM customisation of size, structure, media ratio, logo and packaging, and have developed over 1,000 filtration solutions. Share your target machine, water conditions and packaging requirements and we will propose a specification.
Stock samples can be sent within 3–5 working days for fit and performance testing; customised samples with your logo or specification typically take 7–15 working days. We can supply available CNAS laboratory test data with the sample to support your evaluation. Quotations are issued after the specification is confirmed.
The standard compatible model has an MOQ of 5,000 pieces, with 15–20 days for stock or small-batch orders. OEM customised versions are recommended at 10,000 pieces or more, with a production cycle of about 25–30 days including tooling and packaging development.
The cartridge is rated for 20–120 psi (about 1.4–8.3 bar) and 2°C–38°C, cold water only. If your machine runs outside that envelope, tell us at inquiry stage so the fitment and media can be reviewed.
Send the device model, a size sketch or drawing, the water flow or pressure, operating conditions and target quantity through our contact page. If you have an old part, include a photo. Our team will respond with a fitment review and next steps.