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15 drops/L
Check Valves
22G x 20cm
The oversize border:prevents gel from sticking to clothing
Filter Circles, 50mm Dia, Grade 4, 100/pk (1004-050) 15 drops/LWhatman 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
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