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.


Too late! We just sold these fine, lightly used instruments. But if you see something you would have liked, please contact us, and we'll search our network for you.

Recently Sold

Welch 1399 Vacuum Pump

SOLD The Welch 1399 DuoSeal Belt Drive Rotary Vane is a ...

Sales price: $650.00

Welch 1402 vacuum pump

Welch 1402 5.6 cfm two-stage belt-drive high vacuum pump. ...

Sales price: $1,350.00

Welch 2025 Self-Cleaning Dry Vacuum System

SOLD Saves valuable lab space Fast, high quality ...

Sales price: $1,300.00

Welch 2026 Self Cleaning Dry Vacuum System

Welch 2026 self cleaning dry vacuum system with two stage ...

Sales price: $1,600.00

Welch 2027 Vacuum System

Pump, Dry Vacuum; Welch; Standard-duty; For filtration, ...

Sales price: $1,750.00

Welch DryFast

Welch DryFast Model 2025 self cleaning vacuum system ...

Sales price: $1,250.00

Welch DryFast Ultra 2032

Powerful vacuum pumps for rotary evaporators ...

Sales price: $925.00

Welch DryFast Ultra 2042

Powerful vacuum pumps for rotary evaporators ...

Sales price: $1,200.00

Welch DuoSeal 1400 Vacuum Pump

SOLD DuoSeal high vacuum pumps are effective for drying ...

Sales price: $825.00