Pronk Technologies FlowTrax FT-2 infusion device analyzer flow meter as shown
Model: FlowTrax FT-2. The housing is markedDistilled Water Only. Rear/side photos show the internal glass tube assembly area, mounting bracket, serial label, USB-style port, power input jack, and fluid connection fitting.
Ohio Medical 1251 Intermittent Suction Unit Vacuum Regulator as shown
Model: 1251. Note that this price is for one unit even though multiple are pictured. Gauge: 0-200 mm Hg vacuum scale.