Model Human Child Skull 15-month-old, contains 12 teeth in upper & lower jaws, anterior & posterior intra-occipital sutures are not fused, anterior fontanelle is open, posterior, sphenoidal & mastoidal fontanelle are closed, Size: 15.3x12.1X12cm
Filter Paper 215 mm Grade 3 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