stonylab Graduated Pressure Equalizing Addition Funnel, Borosilicate Glass Dropping Funnel with 24/40 Joint and High Vacuum Valve for Laboratory Additional 100 ml

StonyLab constant pressure dropping funnel is mainly used for the drip addition of liquids in experiments to prevent liquid back-siphoning and reduce the influence of liquid on air pressure in the system 24/40 standard joint at top and bottom for better connection with other instruments Cylindrical style with fully encapsulated vacuum valve Capacity: 100 ml; made of premium borosilicate glass; precise scale, heavy duty and reusable Warranty: StonyLab ensures high quality products and excellent customer service; if received damaged, please contact us immediately; we will solve it until satisfied