Description
Feed-through with an inner diameter of 23 mm is a sealable laboratory accessory configured for standard chamber placements. It provides a defined wall penetration that can be closed when not required, supporting orderly routing of sensors, cables or other connections in climate and stability testing environments. This version corresponds to the right centre/top standard placement. F1 and F3 feed-throughs are not intended for ICH L models, so compatibility with the target chamber series should be checked before ordering. Supplied as one piece from manufacturer Memmert, the accessory is meant for integration into suitable laboratory chambers where a fixed standard position is specified. A sealable feed-through helps preserve the internal working environment while still allowing external instrumentation to be connected. The 23 mm inner diameter accommodates common laboratory probe and cable sizes used in routine monitoring setups. Choosing the correct side and height ensures the opening aligns with the planned experimental layout and chamber configuration for reproducible long-term tests.
This article is part of Hose connectors, adapters & fittings, in Tubing, hoses & fittings.
Key features
- Pack size: 1 pc
- Type: Sealable feed-through
- Inner diameter: 23 mm
- Placement: Right centre/top (standard)
- Compatibility: Not for ICH L models
- Country of origin: Germany
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Questions about Entry port with 23 mm clear diameter, can be closed, standard position (F1 and F
What is this article?
Entry port with 23 mm clear diameter, can be closed, standard position (F1 and F is the article on this page. Luminix Health distributes Memmert for laboratory use. It sits in Hose connectors, adapters & fittings, inside Tubing, hoses & fittings, in Labware.
A hose connector or adapter joins two lines, or steps one bore down to another. The barb diameter has to match the tube, and the thread has to match the stopcock or the bottle. Most leaks are a mismatch here, not a hole in the tube.
Tubing is how a liquid or a gas moves between two vessels without being poured. Silicone stays flexible and survives repeated autoclaving. PTFE resists almost every solvent and is stiff. PVC is the ordinary flexible line for water and for mild aqueous work. The fitting, not the tube, is what usually leaks: the barb, the thread and the stopcock have to match the tube bore. Glass and plastic apparatus around these lines is indexed under ISO laboratory ware.
Which category should I open next?
The category is Tubing, hoses & fittings. The sub-category is Hose connectors, adapters & fittings. The catalogue is Labware.
Shelves beside this one are PVC, PTFE & other tubing, Stopcocks & valves, Silicone tubing and Tubing 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. Delivery across the EU, two to five days if in stock. 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.
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The seven catalogues are Labware, Lab chemicals, Lab instruments, Lab consumables, Chromatography equipment, Lab safety equipment and Life Science & Microbiology.

