Flask Filter Heavy 500ml , Pack Of 2

Details:

Flask, filtering, heavy wall, with quick-release hose barb connector^500ml kimax* flask, astm e1406, type ii, class ii, w/ release connector for std 1/4 i.D. Tubing, not included. Takes 1 atm of vacuum or 29 of mercury. Heavier wall than standard erlenmeyer flask. Rubber stopper sz 7. 184Mm h.