Falcon Serological Pipets (Plastic/Paper Wrapping)Serological Pipets (Plastic Paper Wrapping) Disposable, Clear Polystyrene, sterile Features exceptionally crisp, dark, easy to read printing with reverse and negative graduations. Corning Falcon Serological Pipets are individually wrapped in Advantage all plastic thermoformed package Features: For economical one time use Liquid level is meniscus free More transparent and rigid than polypropylene pipets Calibrated to tip, with volume adjusted for