PerkinElmer* Soap Bubble Flowmeter

The glass soap bubble flowmeters are calibrated in 1 ml and 10 ml two-stage or 1 ml, 10 ml, and 100 ml three-stage for easy flow reading. Bubble meters come complete with liquid soap, rubber squeeze bulb, miscellaneous-sized plastic tube pieces to adapt to various fittings, and instructions (stand required but not included - 470-48851)
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