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GE BIO-SCIENCES MEMBRANE FILTER PAPERS Filter Circles, 50Mm Dia, Mixed Cellulose Ester ME Range - ME 25, Gridded, Black/ White Grid 3.1Mm, 0.45Μm Pore Size, 100/Pk

Offers accurately controlled pore size distribution and higher strength and flexibility, which ensure reproducibility and consistency. Filter range includes pore size from 0.915 to 12 µm with a wide selection of membrane filters. Sterile and autoclave packs are available for specialized applications. Colored and gridded types are also available.
$121.99

GE BIO-SCIENCES CELLULOSE FILTER PAPERS Filter Circle, 385Mm Dia, Folded Prepleated Grade 520B½, 50/Pk

Whatman filter papers are world-renowned as the standard for laboratory filtration and are associated with quality, reliability and customer service. Manufactured from high-quality cotton linters, which have been treated to achieve a minimum alpha cellulose contact of 98%. Used for general filtration and exhibit particle retention levels down to 2.5 µm. Used in qualitative analytical techniques to determine and identify materials. Offers a wide choice of retention/flow rate combinations to suit numerous laboratory applications. The different groups of cellulose filters offer increasing degrees of purity, hardness and chemical resistance. Prepleated filters are also available, which give improved flow rate and increased loading capacity compared to equivalent flat filters.
$159.99