Ahlstrom Munksjö 5420-1250 12.5cm Pre-Pleated Qualitative Filter Paper, 2.0um Retention, Medium Speed. Ahlstrom's pre-pleated Grade 542 can save valuable time and maximize the efficiency of the laboratory filter system. Pleating improves the effective surface area increasing flow rate and loading capacity thus decreasing filtration time. Grade 542 has a medium flow rate filtering speed with 2µm particle retention.
Ahlstrom Grade 542 is the pre-pleated version of Grade 642. It is used in general laboratory applications to retain particles above 2μm in size. Grade 642 is also found in agricultural and environmental laboratories for plant growth trials, soil testing, and air analysis for monitoring specific contaminants and in the filtration of organic and sulfide precipitates. 100/pack.
Size (cm): 12.50