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three color pen
even by those with little or no CPR experience
calluses and chafing
25" x 10ft
Extra Delicate
Filter Circles, 240mm Dia, Hardened Ashless Grade 542, 100/pk (1542-240) three color penWhatman 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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