25 Jul GOW-MAC Instrument Co. – Gas Leak Detector Model 21-250
THIS IS A WORKING GOW MAC GAS LEAK DETECTOR 21-250....
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25 Jul GOW-MAC Instrument Co. P-4 Sample Pump Model 59-300 | 115V 60Hz 100W | Lab GC
P-4 Sample Pump Model 59-300 | 115V 60Hz 100W | Lab GC. Condition: Pre-owned; unit powers on (red indicator light active). Ports: Dual 1/8" (approx.). compression-style fittings for sample line integration....