Magnetic Field with maximum allowable levels of

with maximum allowable levels of impurities such as carbon dioxide

The valves can also show the opening and closing

in tube form

Anaphase (I)

Magnetic Field with maximum allowable levels ofThis clear plastic case makes it possible to observe a magnetic field in 3 D. Each side of the field demonstrator contains iron filings, and the center of the demonstrator houses a powerful magnet. The demonstrator can open down the center, making it possible to view the magnetic field from all angles. Premium Quality: This product is made of high grade construction all the way through, excellent build quality and proven reliability across the range.