Filter Circles, 21mm Dia, Binder Free Grade GF/B, 100/pk (1821-021) Graduated barrel markings

Graduated barrel markings

Spin Male Luer Lock with Hanger

single-handed needle shielding

A premium quality

Filter Circles, 21mm Dia, Binder Free Grade GF/B, 100/pk (1821-021) Graduated barrel markingsWhatman offers two types of glass microfiber filters manufactured from 100% borosilicate glass: binder free that is chemically inert and with binder. These filters combine fast flow rates with high loading capacity and the retention of very fine particles, extending into the sub micron range. Can be used at temperatures up to 500C and are ideal for use in applications involving air filtration and for gravimetric analysis of volatile materials where