Mega Mass - Petri Dish for Bacterial Culture (10pk) ducting Step measurement marks are etched

Step measurement marks are etched directly on the drill bit

Designed to provide consistent airflow with quiet operation

Rubber feet help reduce vibration and noise

Max allowed humidity 70% (short term only)

and 20% potassium (K)

Mega Mass - Petri Dish for Bacterial Culture (10pk) ducting Step measurement marks are etchedBe the coolest scientist on your block with these petri dishes! A Petri dish is a shallow transparent lidded dish that biologists use to hold growth medium in which cells can be cultured, originally, cells of bacteria, fungi and small mosses. The container is named after its inventor, German bacteriologist Julius Richard Petri, who sources say was a really FUN GUY. It is the most common type of culture plate. Important Notes: These petri dishes are