Cytiva Filter Circles, Qualitative, Grade 4
Cytiva Filter Circles, Qualitative, Grade 4


Extremely fast filtering with excellent retention of coarse particles and gelatinous precipitates such as ferric hydroxide and aluminium hydroxide. Very useful as a rapid filter for routine clean-up of biological fluids or organic extracts during analysis. Used when high flow rates in air pollution monitoring are required and the collection of fine particles is not critical.
Particle retention:20 to 25 µm
Filtration speed:37 s
Weight:96 g / m2
Thickness:0.20 mm
Ash:0.06 %
Filter type:filter circle
Filtration time:37.00 [s]
TypeHöhe
mm
Order No.PU Manuf. Prod. No. 
Grade 442.505421897100+1004-042 
Grade 447.005421898100-1004-047 
Grade 455.005421899100+1004-055 
Grade 470.005421900100+1004-070 
Grade 490.005421901100+1004-090 
Grade 4110.005421902100-1004-110 
Grade 4125.005421903100+1004-125 
Grade 4150.005421904100+1004-150 
Grade 4185.005421905100+1004-185 
Grade 4240.005421906100-1004-240