Stonylab 250ml Glass Buchner Funnel with Fine Frit, 250ml Erlenmeyer Flask, Vacuum Rubber Tubing & 100pcs Qualitative Filter Paper - Complete Filtration Kit for Chemistry Lab, Home Brewing & Science Experiments

Features

Valuable Bundle 1-pack 250 ml Buchner Filtering Funnel with Fine Frit(G3) and 24/40 Joint, 1-pack 250 ml Erlenmeyer Flask with 24/40 Joint, 1-pack Vacuum Rubber Tubing in 10 feet, 100pcs Qualitative Filter Paper Circles

Buchner Filtering Funnel 76mm Inner-Diameter, 80mm Depth; made of borosilicate glass; G3 15~40 μm Nominal Max. pore size; Can filter chemicals that cannot be filtered by filter paper or diaphragm; Notice not for filtering hydrofluoric acid, hot concentrated phosphoric acid, concentrated alkaline solution, etc.

Erlenmeyer Flask Made of Borosilicate glass; High quality material and perfect handcraft

Rubber Tubing Outside Diameter approx. 15/32'' (12mm), Inside Diameter approx. 5/16'' (8mm), Wall Thick 13/64'' (5mm); Made with high quality natural rubber; Please NOTE NOT FOOD GRADE; Fit on StonyLab Buchner filtering funnel and filtering flasks

Qualitative Filter Paper 75mm diameter; Coarse cellulose filter papers remove particles larger than 20 µm; Filtration Speed 35 - 70 sec; Ash content smaller or equal to 0.15%