\"\"

Grade4

1004-027

Grade4circles,27mm,400/pk

1004-042

Grade4circles,42.5mm,100/pk

1004-047

Grade4circles,47mm,100/pk

1004-050

Grade4circles,50mm,100/pk

1004-055

Grade4circles,55mm,100/pk

1004-070

Grade4circles,70mm,100/pk

1004-090

Grade4circles,90mm,100/pk

1004-110

Grade4circles,110mm,100/pk

1004-125

Grade4circles,125mm,100/pk

1004-150

Grade4circles,150mm,100/pk

1004-185

Grade4circles,185mm,100/pk

1004-240

Grade4circles,240mm,100/pk

1004-270

Grade4circles,270mm,100/pk

1004-320

Grade4circles,320mm,100/pk

1004-400

Grade4circles,400mm,100/pk

1004-912

Grade4sheets,130x190mm,500/pk

1004-917

Grade4sheets,460x570mm,100/pk

1004-930

Grade4sheets,580x580mm,100/pk

\"\"

Grade4:20-25µm,Extremelyfastfilteringwithexcellentretentionofcoarse

particlesandgelatinousprecipitatessuchasferrichydroxideandaluminumhydroxide.

Veryusefulasarapidfilterforroutineclean-upofbiologicalfluidsororganic

extractsduringanalysis.Usedwhenhighflowratesinairpollutionmonitoringarerequired

andthecollectionoffineparticlesisnotcritical.

\"\"