WHEATON® Liquid Scintillation Vials, Caps Packaged Separately, 24-400, PP Cap, Foamed Polyethylene, 20 mL. WHEATON® MicroLiter Plate Sampling System™ μLmats™ With PTFE / Silicone Stopper, Natural. WHEATON® LDPE, Dropping Bottle Tips, 13 mm, Natural. KIMBLE® GL45 Storage Bottle Cap, Blue.