Description
Petri dishes 90 mm with 3 compartments are polystyrene (PS) culture dishes for microbiological, tissue culture, and cell culture work where samples or media need physical separation inside one plate. Each dish has a 90 mm diameter and three internal compartments, so parallel cultures, comparative media, or split samples can be incubated under the same conditions without mixing. Ventilation nubs support controlled air exchange during incubation and help manage condensation on the lid. The dishes are machine-sterile and supplied ready for laboratory use in a pack of 20 pieces. Clear PS construction allows straightforward visual inspection of colonies and growth patterns across all three sectors. These multi-compartment Petri dishes from manufacturer Witeg suit routine plating, teaching setups, and diagnostic or research workflows that benefit from divided culture surfaces while keeping handling simple. Net weight per unit data is 0,015 kg. They fit standard culture-dish applications where a compact, three-sector layout reduces the number of individual plates required on the bench or in the incubator.
This article is part of Petri dishes, in Culture media & microbiology.
Key features
- Pack size: 20 pc(s)
- Diameter: 90 mm
- Material: Polystyrene (PS)
- Compartments: 3
- Design: Ventilation nubs
- Sterility: Machine-sterile
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Questions about Petri dishes w. compartments
What is this article?
Petri dishes w. compartments is the article on this page. Luminix Health distributes Witeg for laboratory use. It sits in Petri dishes, inside Culture media & microbiology, in Microbiology lab supplies.
A Petri dish is the shallow lidded plate agar is poured into, or a sample is placed in. Diameter and whether it is vented, and whether it arrives sterile and empty or already filled, are the choices. A 90 mm dish is the ordinary one. Slippable lids and vented lids differ in how they dry a plate.
A culture medium is the food and the solid or liquid home of a microorganism. Dehydrated media are powders the laboratory dissolves and sterilises. Ready-to-use plates and tubes are already that. A Petri dish is the plate. Selective media let one kind of organism grow and hold another back. The formulation and the supplements, not the colour of the agar, are the specification. Reference strains are at ATCC. Methods are on PubMed. Biosafety practice is the WHO laboratory biosafety topic.
Which category should I open next?
The category is Culture media & microbiology. The sub-category is Petri dishes. The catalogue is Microbiology lab supplies.
Shelves beside this one are Dehydrated culture media (agar & broth bases), Ready-to-use culture media (plates, tubes, bottles), Microbiology (other), Inoculation loops, spreaders & needles and Microbial identification, hygiene monitoring & rapid tests.
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 Europe, two to five days when 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.
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.

