Filter Paper 150 mm Grade 1 Circles, designed for gravimetric analysis and the preparation of samples for instrumental analysis, High purity, for use in a wide range of critical filtration procedures, Wide range of filter grades and diameters, Ashless 0.007% are very pure filters
Double Graduated Flint Glass Cylinder, White graduations, numbered both upward and downward, With pourout and heavy molded base, Graduation interval: 1 mL, Size: 100ml