Filter Paper 90 mm Grade 1 Circles, designed for gravimetric analysis and the preparation of samples for instrumental analysis, High purity, for use in a wide range of critical filtration procedures, Wide range of filter grades and diameters, Ashless 0.007% are very pure filters
Support Ring, Steel Rod, Steel rod, zinc-plated support ring with attached boss head clamp and thumbscrew, Distance from support to center of ring is 4-1/2in for all sizes, Diameter: 4
Vacuum Pump Kit, Can Rapidly Separate Mixtures Via Vacuum Filtration, Hand-Pumped Vacuum Removes The Need For A Water Source Or Aspirator. Its Pump Rate Is 15Ml A Stroke And Can Displace 725Ml Of Air.Includes: 1 Filtering Flask 500Ml, - 1 Pump, 1 Buchner Funnel