Qualitative Filter Paper * Qualitative cellulose filter paper. * Circular. Thickness: 0.2 mm. * Retention pole size Slow: 10-15 micrometer Medium: 15-20 micrometer Fast: 20-25 micrometer * Ash content < 0.15% Ship in 1-3 days after receiving payment. Sold by Chang Biosciecne, Inc. Check out our other items! |