A-Frame Retort Base and 19.8" Rod Set, 8 x 8", Heavy Duty Biology_Human Anatomy Test tube with side arm

Test tube with side arm in borosilicate 3

giving a direct field reading of water clarity

and contains four simulated blood samples for realistic replication of the blood typing procedure and safe classroom use

5 inches for benchtop and field magnification

22-piece organic chemistry glassware set features 10/19 ground glass joints for comprehensive laboratory distillation and synthesis procedures

A-Frame Retort Base and 19.8" Rod Set, 8 x 8", Heavy Duty Biology_Human Anatomy Test tube with side armThree point A frame design stabilizes clamps and rings on an 8 by 7 inch base weighing 2. 3 lbs, paired with a 19. 8 inch 12mm rod threading into a 10 by 1. 5mm tapped hole.