Pioneer Scientific Instrument Corporation PISCO™ brings to you a comprehensive range of Sintered Glass Tube Sealing with reduced both ends / Pipeline Filter. It is widely used in laboratories for inline filtration of liquids / gas lines to stain solid particles and impurities. Made from 3.3 borosilicate glass, mostly used   in 30, 40, 50, 65, 90 & 125 mm. diameter with porosity 1, 2, 3 & 4 grade claims its reliability and accuracy.