Cytiva's Whatman™ Grade 31, 32 & 34 Glass Fiber Filters

Cytiva's Whatman™ Grade 31 glass microfiber filters are a binderless, general-purpose grade filters with fine porosity. These glass microfiber filters offer a fast flow rate and provide 1.4µm particle retention.


Cytiva's Whatman™ Grade 32 glass microfiber filters are a binderless, general-purpose grade filters with fine porosity. These glass microfiber filters offer a slower flow rate and provide 1.0µm particle retention.


Cytiva's Whatman™ Grade 34 glass microfiber filters contain no binders. These glass microfiber filters are ideal for the collection of suspended solids in water and other pollutants. These glass filters are also suitable for TCA precipitations, harvesting lymphocytes, protein microsequencing, scintillation counting, environmental applications and pre-filtering. Retention: 1.1µm