Description
Rotilabo® Luer stoppers are transparent polypropylene closures for sealing Luer ports in laboratory liquid-handling and hose systems. This type presents a Luer lock male (LLM) form intended for Luer lock female (LLF) openings, allowing unused female lock connections on tubing, manifolds or accessories to be capped securely when not in use. Made from PP with a clear finish, the stoppers remain easy to locate and inspect on the bench. They are supplied as a pack of 10 pc(s) with a pack weight of 0,005 kg, convenient for keeping spare seals with other hose connectors and liquid-handling consumables. Typical use includes temporary isolation of sample or reagent lines, protection of open LLF ports during setup changes, and orderly storage of modular fluid paths in analytical, preparative and teaching laboratories. Within the Rotilabo® range from manufacturer ROTH SELECTION, these LLM-for-LLF stoppers provide a simple matching closure for standard female lock interfaces, supporting clean, controllable laboratory hose and accessory arrangements.
This article is part of Ground-joint glass stoppers, in Stoppers, caps & closures.
Key features
- Pack size: 10 pc(s)
- Product type: Luer stoppers
- Brand: Rotilabo®
- Material: PP
- Colour: transparent
- Connection: LLM for LLF
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Questions about Rotilabo®-Luer-stoppers, PP, transparent, LLM for LLF, 10 unit(s)
What is this article?
Rotilabo®-Luer-stoppers, PP, transparent, LLM for LLF, 10 unit(s) is the article on this page. Luminix Health distributes Carl Roth for laboratory use. It sits in Ground-joint glass stoppers, inside Stoppers, caps & closures, in Labware.
A ground-glass stopper matches a ground neck of a stated joint size. A 14/23 stopper does not seal a 29/32 neck. The stopper is part of the flask's seal, and a chip on the grind is a leak.
A closure is the part that decides whether a bottle stays shut and whether the contents attack the seal. A ground-glass stopper matches a ground neck. A screw cap needs the right thread and a liner that survives the liquid. Rubber and silicone stoppers push into a mouth. The liner, not the colour of the cap, is the chemical choice. The vessels they close are indexed under ISO laboratory glassware.
Which category should I open next?
The category is Stoppers, caps & closures. The sub-category is Ground-joint glass stoppers. The catalogue is Labware.
Shelves beside this one are Screw caps & closures, Rubber & silicone stoppers, Lids & seals and Closures (other).
What should I check before I order?
The technical information on this page is the manufacturer's sheet. Read that, not a rewritten specification.
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.

