1.5mL <1µL Clear No Bonded PTFE/Silicone MSCERT5000-33TR 100 each 1.5mL <1µL Clear No Bonded PTFE/Silicone, Pre-slit MSCERT5000-39TR 100 each MSCert Kit with High Recovery Vial and Cap 1.7mL <4µL Clear No Bonded PTFE/Silicone, Pre-slit MSCERT5000-38 100 each MSCert Vial Kit and Cap 2.0mL <120µL Clear Yes Bonded PTFE/Silicone MSCERT5000-341W