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.


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 DuoSeal 1400 Vacuum Pump

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

Sales price: $825.00

Welch GelMaster Gel Dryer Vacuum System

A room temperature vapor pump condenses the hot vapors from ...

Sales price: $1,250.00