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Ergonomic concave housing for comfortable finger recess and gentle pressure activation
250-memory with time and date stamp
Needle Guide Kit
No refrigeration needed -- perfect for travel
Phlebotomy
Filter Circles, 240mm Dia, Hardened Ashless Grade 541, 100/pk (1541-240) Ergonomic concave housing for comfortableWhatman 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