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How to prevent oil contamination in small laboratory vacuum pumps, from cold traps and filters to choosing an oil-free pump in the first place.

What laboratory vacuum pumps are used for, and what to watch for when using buffer flasks and filter elements to protect the pump.

How oil-free vacuum pumps are used in school chemistry laboratories, the types of small laboratory pumps available and why oil-free suits teaching labs.

A guide to the vacuum pumps that suit laboratory work - oil-free diaphragm, rotary vane and small piston pumps - and how to choose between them.

Four practical details that significantly extend laboratory vacuum pump service life, from inlet protection to correct shutdown and storage.