Glass Microfiber Filter, Diameter 9 cm, Grade A, Thickness 0.26 mm, Pore Size 1.6 um, Material Borosilicate Glass, Product Type Filter, Maximum Operating Temperature - Centigrade 550 Degrees C, For Use With Algae and Cultures, Foodstuff Analysis, General Purpose Laboratory Filtration, Protein Filtration, Radioimmunoassay of Weak B Emitters, Water Filtration, Water Pollution Monitoring of Effluents, Package Quantity 100