Nalgene® Rapid-Flow™ Filter Units with Surfactant-Free Cellulose Acetate Membrane, Sterile
Nalgene® Rapid-Flow™ polystyrene sterile filter units are manufactured with a clear polystyrene upper funnel and lower filtrate receiver bottle. Nalgene filter units have graduations on both the upper funnel as well as the lower receiver bottle. A leakproof 1.5 turn threaded screw closure is also incorporated in to the designe of these filter units. Additional individual filter unit receiver bottles are also available and sold separately. (See Nalgene 455 Series) Each case also includes an adequate quantify of glass microfiber prefilters. Yellow collar. Filter unit membrane: Surfactant-Free Cellulose Acetate. Sterile.