Description
Adapter for one 400 mL bottle is a centrifuge accessory shaped to hold a single 400 mL bottle inside 500 mL rectangular buckets. The set contains two pieces and is intended for use with Rotor A-4-81 and Rotor S-4x500, enabling bottle formats within those swing-bucket systems. This form insert from manufacturer Eppendorf supports laboratories that process 400 mL bottles on compatible Eppendorf centrifuges and need a precise fit inside the 500 mL rectangular bucket. It belongs to the centrifuge accessories category and functions as a dedicated adapter rather than a general-purpose carrier. Pack net weight is 0,270 kg and gross weight is 0,300 kg, with a packaging volume of 0,002 m³. Clear pairing with Rotor A-4-81 and Rotor S-4x500 simplifies ordering and inventory for core lab equipment. Use the adapters whenever 400 mL bottles must be centrifuged securely in the specified rectangular buckets on the matching rotors.
This article is part of Rotors, in Centrifuges.
Key features
- Pack size: 2 pc(s)
- Product type: Bottle adapter / form insert
- Bottle format: 1 × 400 mL
- Compatibility: 500 mL rectangular buckets, Rotor A-4-81 and Rotor S-4x500
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Questions about Formeinsatz 400ml verp. (2x)
What is this article?
Formeinsatz 400ml verp. (2x) is the article on this page. Luminix Health distributes Eppendorf for laboratory use. It sits in Rotors, inside Centrifuges, in Lab instruments.
A centrifuge rotor is the rotating part that holds the tubes, and it is rated for a maximum speed and a maximum load. A swing-out rotor and a fixed-angle rotor pellet differently. A rotor from another centrifuge does not belong on this drive, even when it seems to fit.
A centrifuge separates by density. The rotor spins the sample and the force is reported as a multiple of gravity, not as a raw speed, because the same revolutions per minute are a different force at a different radius. A microcentrifuge takes small tubes. A benchtop or floor model takes larger rotors. The tube, the adapter and the rotor have to be the combination the manufacturer rated. An unbalanced load is how centrifuges fail. Measurement of the related quantities sits with the BIPM.
Which category should I open next?
The category is Centrifuges. The sub-category is Rotors. The catalogue is Lab instruments.
Shelves beside this one are Rotor adapters & accessories, Benchtop & floor-standing centrifuges, Microcentrifuges & mini centrifuges and Centrifuge accessories.
What should I check before I order?
When this page shows a safety data sheet, use that manufacturer file. Hazard text does not belong in the sales description. For a pack size, a grade or a certificate that is not on the page, send a quote request or contact the team.
How does ordering and shipping work?
Luminix Health distributes this article from the heart of Europe. Articles in stock ship within 2–5 business days. Standard delivery is free from €250 excl. VAT. Cold-chain goods and dangerous goods under ADR are never included in that free delivery. The terms are in the Shipping Policy. The full brand index is on shop by brand. Who we are is on about us.
Which other categories should I open?
The seven catalogues are Labware, Lab chemicals, Lab instruments, Lab consumables, Chromatography equipment, Lab safety equipment and Life Science & Microbiology.




