Filtering Flask, 250 ml

These 250 ml Home Science Tools filtering flasks are made of high-quality borosilicate glass that can be heated directly in an open flame. Use a #8 stopper for this thick-wall glass filtering flask with side-tube. A filtering flask is used for vacuum filtration or distillation. The graduations are approximate and not intended for accurate liquid measurement.

NOTE: Actual product may vary from the one pictured due to differences in suppliers.

• Home Science Tools vacuum flasks are made from high-quality GG17 borosilicate glass
• Low coefficient of thermal expansion means this glass is capable of withstanding typical laboratory temperature variations
• Heavy wall construction to withstand 1 atmosphere (760mm Hg) vacuum
• Side hose connection, use 5/16" x 10' long rubber tubing
• Height: 13.5 cm.
• Diameter: 8.5 cm at base
• Neck inside diameter approximately 36 mm
• Marked to fill 50-250 ml in 50 ml increments
• Markings are accurate to +/-10%
• Use 5/16" x 10' long rubber tubing