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Elveflow Reservoir Holder Rack 4-XS / S / M
The Elveflow Reservoir Holder Rack is a compact, autoclavable 4-tube holder that tidies up your microfluidic bench and lets you swap reservoirs without touching tubing. Available in XS (1.5 mL Eppendorf), S (15 mL Falcon), and M (50 mL Falcon) versions, with hard-anodised aluminium construction and ¼-28 UNF fluid connectors, it pairs natively with the OB1 MK4 across all pressure ranges.
What is the Reservoir Holder Rack 4-XS / S / M?
The Elveflow Reservoir Holder Rack is the perfect bench companion for any setup using up to 4 independent reservoirs with the OB1 MK4 controller. Designed from user feedback for durability and ease of use, it tidies up tubing, lets you visually check fluid levels at a glance, and lets you swap samples without touching any connection downstream.
Key Features
- Compact 4-tube holder: Up to 4 microfluidic reservoirs in one rack.
- Three size versions: XS (1.5 mL Eppendorf®), S (15 mL Falcon®), M (50 mL Falcon®).
- Easy-screw / unscrew design: Change samples without disturbing tubing.
- Autoclavable: The holder never touches liquid — only the disposable consumable tubes do.
- Hard-anodised aluminium: Robust, durable construction.
- ¼-28 UNF coned fluid connectors: Standard compatibility with all microfluidic tubing.
- Sample contamination-free: Re-use indefinitely with fresh disposable tubes.
Applications
The Reservoir Holder Rack is a workhorse for any multi-line OB1 setup. Common applications include:
- 4-channel OB1 MK4 setups with reservoirs visually grouped.
- Sequential injection workflows with the MUX Distribution Valve.
- Drug screening with multiple compound vials.
- Cell perfusion setups needing fast medium swaps.
- Sample contamination-sensitive workflows with disposable tube changes.
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Technical Specifications
| Catalog Number | RESERVOIR-RACK-4 (XS / S / M) |
| Capacity | 4 microfluidic reservoirs |
| Size versions | XS (1.5 mL Eppendorf®) | S (15 mL Falcon®) | M (50 mL Falcon®) |
| Construction | Hard-anodised aluminium |
| Wetted material | Only disposable Eppendorf® or Falcon® tubes touch the liquid |
| Fluid connectors | ¼-28 coned UNF female fittings |
| OB1 compatibility | All OB1 MK3+ / MK4 pressure ranges (-900 mbar to 8 bar) |
| Autoclavable | Yes — reusable indefinitely with fresh tubes |
Applications
- 4-channel OB1 MK4 multi-line setups
- Sequential injection with MUX Distribution Valve
- Drug screening with multiple compound vials
- Cell perfusion setups needing fast sterile medium swaps
- Bench organisation for reproducible multi-reagent experiments
Microfluidics
Explore All ProductsElveflow Publications
Academic publications and research studies utilizing Elveflow microfluidic instruments, sourced from Google Scholar.
What is the Reservoir Holder Rack 4-XS / S / M and what is it used for?
The Reservoir Holder Rack is a compact, autoclavable 4-tube holder for up to 4 microfluidic reservoirs, available in XS (1.5 mL Eppendorf), S (15 mL Falcon), and M (50 mL Falcon) versions. It tidies up the bench, lets you visually check fluid levels at a glance, and lets you swap samples without touching downstream tubing.
What research applications is the Reservoir Holder Rack suited for?
The Reservoir Holder Rack is suited for 4-channel OB1 MK4 setups, sequential injection workflows with the MUX Distribution Valve, drug screening with multiple compound vials, cell perfusion setups needing fast sterile medium swaps, and any multi-reagent microfluidic workflow where bench organisation and contamination control matter.
What are the key technical features of the Reservoir Holder Rack?
The Reservoir Holder Rack (catalog: RESERVOIR-RACK-4) holds up to 4 disposable Eppendorf® or Falcon® tubes (XS, S, or M version) in a hard-anodised aluminium body. It accepts ¼-28 UNF coned female fittings, is autoclavable (with no liquid touching the holder itself), and is compatible with the full OB1 MK3+ / MK4 pressure range (-900 mbar to 8 bar).
Is the Reservoir Holder Rack available in Israel with local support?
Yes. NBT Ltd distributes Elveflow microfluidic products in Israel. Our team provides local support and application guidance for the Reservoir Holder Rack and the complete Elveflow microfluidic automation ecosystem.
How does the Reservoir Holder Rack integrate with Elveflow systems?
The Reservoir Holder Rack connects to the Elveflow OB1 MK4 pressure controller via standard ¼-28 UNF fluid connectors, holding up to 4 disposable Eppendorf or Falcon tubes that act as the actual microfluidic reservoirs. The holder pairs naturally with the MUX Distribution Valve for sequential injection workflows.
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