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Ships within 48 hours · Estimated delivery Jul 26 - Jul 31
30 Secodn Shut Off
Highly Concentrated
12G x 13cm
18G x 1_" needles
Foam substrate in a tear drop shape 1 3/16" diameter
Filter Circles, 320mm Dia, Grade 3, 100/pk (1003-320) 30 Secodn Shut OffWhatman 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 m. Used in qualitative analytical techniques to determine and identify materials. Offers a wide choice