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PYREX Gas Dispersion Tubes with 12mm O.D. Coarse Porosity Fritted Cylinder, Approximate Stem O.D. x Length 8 x 250mm, 6 per Case.
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Tube is used to disperse or scrub gas in liquids. The size of gas bubbles depends upon the poposity of the firtted disc and the liquid used. The finer porosity discs give smaller bubbles. However, greater gas pressure is required. The 12 mm O.D. fritted cylinder permits insertion through small openings.
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