header bg

Question:

What type of environment should a laminar flow hood provide?

A ISO 5, formerly known as a Class 100 area
Explaination

Laminar flow hoods should be in a class 100 area, where there are no more than 100 particles that are 0.5 micron or larger per cubic foot of air. The number indicates the number of particles 0.5 micron or larger per cubic foot of air.