PYREX 4000mL 4L Scientific Glass Filtering Flask w/ Sidearm 55/50 Center tube as shown. 

The  fitted center tube is marked, Lab Glass Inc., Vineland New Jersey 55/50

The flask is marked 4000ml Pyrex

21" tall as shown. 

Excellent condition, no chips, no cracks.

We strive to ship all orders the same day or the next business day.

Once an order is shipped, we update our records and upload the tracking number promptly.