Glass Microfiber Filter Paper, 93AH RTU for Volatile, Pre-Rinsed and Ignited, 90mm, 100/pk (4827-090) Features an exclusive hydrogel coating

Features an exclusive hydrogel coating that makes them easy to don

extended coverage for high-risk conditions

77" x 108"

Mothers Fingerprint

Glass Microfiber Filter Paper, 93AH RTU for Volatile, Pre-Rinsed and Ignited, 90mm, 100/pk (4827-090) Features an exclusive hydrogel coatingWhatman 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