BD PhaSeal Protector The BD PhaSealdrug vial access device permanently affixes to a drug vial. It functions as a pressure equalization device, utilizing a sealed expansion chamber that establishes and maintains neutral pressure when air or diluent is injected into or aspirated from the vial. Protector 14 Protector 21 Protector 28 Protector 50/55 Fits to vial neck size 13 mm 20 mm 28 mm 20 mm Pressure equalization 20 mL 20 mL 60 mL 50 mL Color protective cap Blue Red White Green Material Not reusable; BPA free; latex free; sterilized using ethylene oxide Expansion film Polyamide/Polypropylene Hydrophobic filter Polytetraflouroethylene Filter cover Polypropylene Membrane Thermoplastic elastomer Housing Polypropylene Cannula(P14, P21, P50) Stainless steel Protective lid Polyethylene