- Zefon rotary vane 2 pump kits feature heavy duty reliable workhorses pumps, cassette sampling stands, tubing and a carrying case all at an economical price.
- Zefon high volume rotary vane pumps are an economical alternative to the Gast brand rotary vane pumps. These workhorses are heavy duty with a 1/10 hp motor that can be used for most all sampling applications. It can be used with PCM, TEM, Air-O-Cell and all viable impactors (e.g. Andersen style impactor).