World Precision Instruments Cell Culture Cup Chambers for TEER Measure endohm 24

WPI World Precision Instruments EVOM2 Epithelial Voltohmmeters & ISO Millivolt

World Precision Instruments DAM 80-E Differential Amplifier WPI

WPI World Precision Instruments Pneumatic PicoPump PV830-B

WPI World Precision Instruments Model M-707A Microprobe System with Probe

WPI WORLD PRECISION INSTRUMENTS Differential Preamplifier DAM-5A Untested

World Precision Instruments WPI Ussing System Chamber - CHM3 with 5153 stand

W-P-I WPI World Precision Instruments Electrometer M4A with Probe