A precision - adjustable constant pressure dropping funnel with scale, designed for controlled liquid addition in labs. Manufactured from high - quality borosilicate glass for excellent thermal and chemical resistance. 

Key Features:

✔ Precision Adjustable – Allows fine - tuned liquid flow control. 

✔ Constant Pressure Design – Ensures stable liquid addition under pressure. 

✔ Graduated Scale – Facilitates accurate liquid volume reading. 

✔ Borosilicate Glass – Offers excellent thermal shock and chemical resistance. 

✔ Secure Joints – Enables tight connection to lab apparatus.