Profile: Perfector Scientific, Inc offers a wide range of disposable plasticware. We offer disposable cuvettes polystyrene, acrylic and lids cryogenic storage vials cryo-store low temperature vials and colored caps securi-vials screw cap scintillation and laboratory vials, 7ml volume multi-vials snap cap general purpose laboratory vials, 5ml volume 15ml centrifuge tubes polystyrene and polypropylene tubes with threaded caps 50ml centrifuge tubes polypropylene tubes with threaded caps pipet tips universal pipet tips that fit many pipettors with a single tip test tubes test tubes and culture tubes, many sizes and colors transfer pipets.