Eisco Labs 6" Test Tube with Side Arm - Borosilicate Glass

Eisco Test Tubes with Side Arm, 6"x1" Diameter, Borosilicate Glass - 10 Pack

Test Tube, 6" - with Side Arm - 1" (24Mm) Diameter, 1" Arm Length - Borosilicate

Test Tube, 6 - with Side Arm - 1 (24mm) Diameter, Length - Borosilicate Glass -