Grade F cut 11.0cm diameter

Competitive Equivalents:

Whatman: 1825-110
Pall: 66259
Millipore: APFF11050
Ahlstrom: n/a

Grade F - Fine porosity, medium flow rate, with a 0.7µm size particle retention. Frequently used with Grade D to filter diluted aqueous solutions containing strong oxidizing, acidic, or alkaline components prior to laser spectroscopy. May also be used for TCLP analysis and collecting extremely fine precipitated proteins, including immunoglobulins. Binderless borosilicate glass microfiber. 
Competitive Equivalents:
Whatman: 1825-110
Pall: 66259
Millipore: APFF11050
Ahlstrom: n/a