stonylab Filtering Funnel/Flask/Filter Paper/Rubber Tubing Bundle, 250 ml Glass Buchner Filtering Funnel with Fine Frit, 250 ml Erlenmeyer Flask, Vacuum Rubber Tubing, 100pcs Qualitative Filter Paper

1-year limited manufacturer warranty

• 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; premium 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 premium 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%