NDS Technologies introduces a filtering flask with a PTFE vent tube to ensure long lasting durability and safety. Chipped, cracked, or broken glass tubes will no longer affect the vacuum process.

• Heavy wall borosilicate glass

• Accepts #8 rubber stopper

• Side arm hose connection accepts 3/8" I.D. tubing

• PTFE vent tube

• Safety plastic coating available upon request

This flask is designed to assure the strength needed for vacuum filtration, and is made with heavy wall borosilicate glass and a side arm that accepts 1/4 inch I.D. tubing.