Heavy Filter Funnel, 55mm - Plain Stem, 8mm - Borosilicate Glass

Filter funnel made of high quality Borosilicate glass. Plain 60º angle.

Funnel measures 2.25" in diameter and is 4.25" in total length. Stem length measures 2.25", with an inner diameter of 4mm, and an outer diameter of 8mm.

Autoclavable, with superior chemical durability. Low temperature gradient- can withstand high temperatures & thermal shocks. Eisco Labs Borosilicate glass has the following heat tolerances: Strain Point -515°C | Annealing Point 565°C | Softening Point 820°C.