Biotech Equipment Sales, Inc., is based in the Birthplace of Biotech and dedicated to bringing high quality pre-owned laboratory instrumentation to our scientific community.

BES has these recent model, well-taken-care-of instruments for sale at our South San Francisco showroom. Most items come with our standard 90-day warranty. Extended warranties are available. Select a category to browse and let us know what interests you.


Seward Stomacher 3500

Paddle blender with up to 3500ml capacity.

Sales price: $3,450.00

Seward Stomacher 400

Improved organism recovery with the patented curved shape ...

Sales price: $1,900.00

Seward Stomacher 400 Circulator

Range: 80 to 400mL; Timer configuration: 1s to 99min, 59s

Sales price: $3,150.00

Seward Stomacher 80

Seward Stomacher 80 for small samples

Sales price: $1,525.00