Filter Circles, 42mm Dia, with Binder Grade GF 92, 200/pk (10421019) Features 12 rows of bristles

Features 12 rows of bristles with equal diameter ranging from 4mm-6mm

and selects the highest and most accurate in less than 2 seconds

Color coded stitching in the waistband quickly identifies sizing

Foam Backed

Filter Circles, 42mm Dia, with Binder Grade GF 92, 200/pk (10421019) Features 12 rows of bristlesWhatman 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