Filters particles twice as fast as Whatman Qualitative Filter Paper Grade 5. Whatman™ Qualitative Grade 6 Filters provide fine particle retention for boiler water analysis.
Manufacturer: Fischer Scientific
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Disc
3 μm
Medium to slow
Grade 6
100 Pk.
Cellulose
Herzberg 715 sec.
A standard grade filter for boiler water analysis.
Fine
180 μm