Excel Scientific TSS-RTQ-100, ThermalSeal RTS Sealing Film, Non-Sterile For qPCR, Optically Clear, 100 Films/Unit - 12-537 | Genesee Scientific Excel Scientific TSS-RTQ-100, ThermalSeal RTS Sealing Film, Non-Sterile For qPCR, Optically Clear, 100 Films/Unit - 12-537 | Genesee Scientific