Filter Circles, 320mm Dia, Grade 4, 100/pk (1004-320) Rubber Closures for Blood Gas

Rubber Closures for Blood Gas Capillary Tube

Latex Free 21

2 1/2" Diameter

Designed to work with any of our urine drug screens

Filter Circles, 320mm Dia, Grade 4, 100/pk (1004-320) Rubber Closures for Blood GasWhatman 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