conductivity tester, handheld device provides a qualitative visual indicator of the conductivity of different solutions, acids or salts, Two brass probes can be touched to a solid substance, or immersed in a liquid, to show conductivity on green LEDs
Practi-Half Normal Saline* I.V. Solution Bag (for clinical training), simulates 1000 mL IV bag of half normal saline, Contents: Distilled Water, Size: 1000ml