Excel Scientific STR-SEAL-PLT, SealPlate Sealing Film, Sterile For ELISA & Similar Assay, 100 Films/Unit - 12-520 | Genesee Scientific Excel Scientific STR-SEAL-PLT, SealPlate Sealing Film, Sterile For ELISA & Similar Assay, 100 Films/Unit - 12-520 | Genesee Scientific