Double Convex Lens, Highly polished, optically true lens is excellent for physics classroom demonstrations in optics and light refraction, with ground edges, great for physics classrooms, with highest grade, Size: 200 mm focal length, Lens measures 2in diameter, 0.2 weight
Practi-Dextrose Normal Saline* I.V. Solution Bag, for clinical training, simulates 250 mL IV bag of dextrose 5% in normal saline, Contents: Distilled Water, Size: 250ml
Practi-Heparin Normal Saline* I.V. Solution Bag, for clinical training, simulates Heparin Normal Saline 25,000 USP units/250 mL, an anticoagulant given to patients who are suffering from a stroke, Contents: Distilled Water, Size: 250ml