A precision-engineered constant pressure dropping funnel without scale and with glass stopcock, designed for controlled liquid addition in labs. Manufactured from high-quality borosilicate glass for excellent thermal and chemical resistance. 

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

✔ No Scale – Suits applications where volume reading is not needed. 

✔ Glass Stopcock – Allows precise flow control. 

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

✔ Ground Joints – Enable secure connection to lab apparatus.