FILTER TUBE FRITTED DISCS INNER JOINTS TWO GLASS STOPCOCKS
With two 2mm glass stopcocks having constant pressure retention devices at the two side arms.

With two 2mm glass stopcocks having constant pressure retention devices at the two side arms.
Laboy glass flasks are heavy wall designed,made by hand-blowing to ensure uniform wall thickness, made of high-quality borosilicate glasss and annealed at 800 degree Celsius ,can be heated directly in an open flame and can withstand typical laboratory thermal variations in chemistry processes like heating and cooling.