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
118mL. Sterile, buffered, isotonic, saline solution. Single-use. Twist-off tabs with no seals to remove, no leaking caps. Twist-off tab top is tamper-resistant, yet easily removed in an emergency. Bottle manufactured from FDA grade polyethylene.