$0.60 – $0.90
Flint glass rods, 1/4″ diameter (6mm). Both ends fire polished.
Disposable test tube measuring 13x100mm.
Nickel-plated. Die-cast base 7/16" aluminum mixing tube. For natural gas.
Glass alcohol burner with a glass cap for extinguishing the flame and to prevent evaporation of alco...
Alcohol burner stand