1000ml capacity, Buchner filtering flask made of high quality, heavy duty 3.3 borosilicate glass. 29/32 joint. No stopper included. White graduation lines marked every 200ml (starting at 400ml). Flask stands 8.75" tall, and base measures 5.25" in diameter at its widest point. Side arm measures 1.3" in length and has 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.