350ml Glass Filter Funnel with 24/40 Buchner Joint - Premium Lab Glassware for Chemistry Experiments & Liquid Filtration

The acquiescent Filter funnel is 3#,if you need other type,Please contact with us. Filter Buchner Funnel,24/40 1PC Specifications 1 Buchner funnel,350ml 2 Ground joint 24/40 3 3# Coarse Filter, 4 Filtration Pore Diameter:15-40 Micron Other Buchner Filters imformation (Customize Available) 1# Coarse Filter:Filtration Pore Diameter is 80-120 Micron 2# Coarse Filter:Filtration Pore Diameter is 40-80 Micron 4# Coarse Filter:Filtration Pore Diameter is 5-15 Micron 5# Coarse Filter:Filtration Pore Diameter is 2-5 Micron 6# Coarse Filter:Filtration Pore Diameter is <2 Micron heavy wall Be made of G3.3 borosilicate glass. This borosilicate glass with low linear coefficient of expansion is ideal choice for fabricating laboratory glassware. Annealing Point------560℃ Linear Coefficient of Expansion------ 32×10-7/℃ Softening Point------820℃