Description
Hose olive, plastic with silicone seal, bent, GL18 is a compact laboratory connector designed for secure hose attachment on GL 18 threaded ports. Manufactured from polypropylene (PP) and supplied with an integrated silicone seal, this bent olive provides a reliable, chemically resistant interface for flexible tubing in analytical, preparative and general laboratory fluid handling. The angled geometry helps route hoses neatly away from crowded apparatus, reducing strain on the connection and improving workspace organisation. With a net weight of only 0,002 kg, the component adds negligible bulk while maintaining a firm seal under typical laboratory conditions. Ideal for use with glassware, bottles and vessels fitted with GL 18 threads, it supports routine liquid transfer, sampling and media supply lines. This plastic hose olive from manufacturer Witeg belongs to the hose-coupling family and is supplied as a single piece, ready for immediate installation in research, quality-control or teaching laboratories that require dependable, lightweight PP fittings with silicone sealing.
This article is part of Silicone tubing, in Tubing, hoses & fittings.
Key features
- Pack size: 1 pc
- Material: PP
- Thread connection: GL 18
- Seal: Silicone
- Design: Bent
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Questions about Plastic hose connection GL 18
What is this article?
Plastic hose connection GL 18 is the article on this page. Luminix Health distributes Witeg for laboratory use. It sits in Silicone tubing, inside Tubing, hoses & fittings, in Labware.
Silicone tubing stays flexible across a wide temperature range and survives repeated autoclaving, which is why peristaltic pumps and media lines use it. It is not the choice for strong solvents, which migrate into the wall.
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 Silicone tubing. The catalogue is Labware.
Shelves beside this one are Hose connectors, adapters & fittings, PVC, PTFE & other tubing, Stopcocks & valves 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. 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.

