4.25cm Grade 1 Covers a wide range of laboratory applications; frequently used for clarifying liquids Areas of use include the food industry, agriculture, air pollution monitoring, and gas detection Widely used in education for teaching simple qualitative analytical separations 4.25cm Covers a wide range of laboratory applications; frequently used for clarifying liquids Areas of use include the food industry, agriculture, air pollution monitoring, and gas detection Widely used in education for teaching simple qualitative analytical separations