Three-Stage Soap Bubble Flow Meter. The glass soap bubble flow meters 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 - N9303314).
- Model: N9300081
- Manufactured by: PerkinElmer