Nalgene® Filtering Flasks

The Nalgene® plastic filtering flask is molded in one piece polypropylene to withstand full vacuum to 30 inches Hg. The 45 degree angle of vacuum tubing hose barb fitting prevents tipping. Barbed adapter accepts 1/4 to 3/8 inch I.D. tubing. These plastic filtering flasks are graduated and have an oval marking area. Erlenmeyer flasks also accept standard rubber stoppers. Fully autoclavable for sterile applications. Nalgene DS4101 Series.