Filter Circles, 320mm Dia, Grade 4, 100/pk (1004-320) Latex Free 21

Latex Free 21

Designed to work with any of our urine drug screens

Rubber Closures for Blood Gas Capillary Tube

Not made with natural rubber latex

Carlens tube adapter and two extra-long suction catheters

Filter Circles, 320mm Dia, Grade 4, 100/pk (1004-320) Latex Free 21Whatman 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