stonylab Pressure Equalizing Addition Funnel, 24/40 Joint, Borosilicate Glass Graduated Dropping Funnel with 2 PTFE Stopcocks, for Laboratory Controlled Addition, 100 ml

1-year limited manufacturer warranty

• Constant pressure design for steady dropwise addition, used in laboratory synthetic processes that requires uniform speed and pressure liquid reactant addition
• Constructed with G3.3 borosilicate glass, heat-resistant, pressure-tolerant, and corrosion-resistant; excellent transparency for observing liquid status
• Equipped with 2 PTFE valves, with an independent stopcock on the equalizing tube for flexible switching between constant pressure and sealed modes
• 100 ml capacity, 24/40 standard ground joint; broad compatibility for easy connection with other standard joint glassware
• Warranty: 1-year coverage period for your peace of mind, if received damaged, please let us know and we will solve it promptly; important notice: always read the enclosed instructions before use; the manufacturer is not liable for damages caused by improper operation