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21" diameter black ABS plastic composite base
tape or glue
Large Moisture-Proof Underpad
Leg gathers
Filter Circles, 500mm, GR 113, Qualitative, Wet-Strengthened, 100/pk (1113-500) 21" diameter black ABS plasticWhatman 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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