The BC 1000 beaker cap can be used with 1000 ml and 600 ml beakers for dispersing and stirring experiments. The beaker cap can prevent splashing, as well as reduce the noise level while stirring and dispersing. The BC 1000 beaker cap is made of silicone. It can resist most acidic and alkaline media used in experiments. Diameter: 130 mm The BC 1000 beaker cap can be used with 1000 ml and 600 ml beakers for dispersing and stirring experiments. The beaker cap can prevent splashing, as well as reduce the noise level while stirring and dispersing. The BC 1000 beaker cap is made of silicone. It can resist most acidic and alkaline media used in experiments. Diameter: 130 mm