Quick Answer:The Petri Dish Glass 4” (Anumbra) is a 100 mm (4 inch) glass Petri dish, 20 mm high, made as a base with a slightly larger overlapping lid, for culturing microorganisms, tissue culture and observing samples.
Last updated: 18 October 2026
Key Features
Clear, low-distortion glass for viewing under the microscope.
Flat internal base gives an even agar layer.
Autoclavable up to 140 °C and withstands repeated dry-heat sterilisation.
Reusable, cutting down plastic waste.
Not fogged or crazed by solvents, stains or fixatives.
Technical Specifications
Specification
Value
Diameter
100 mm (4 inch)
Height
20 mm
Set
Base and overlapping lid
Sterilisation
Autoclavable up to 140 °C; dry-heat sterilisable
How It Is Used
The glass Petri dish is filled with agar for growing and isolating microbial colonies, used in tissue culture, or used to hold samples for observation. After use it is sterilised in an autoclave or by dry heat and used again.
Frequently Asked Questions
Can the Petri Dish Glass 4” (Anumbra) be sterilised and reused?
Yes. It is autoclavable up to 140 °C, withstands repeated dry-heat sterilisation and is made for reuse.
What size is the Petri Dish Glass 4” (Anumbra)?
100 mm in diameter and 20 mm high, with a lid that overlaps the base.
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