Excel Scientific SP-IDR-100, SealPlate Sealing Film, ColorTab, Red For ELISA & Similar Assay, 100 Films/Unit - 12-521R | Genesee Scientific Excel Scientific SP-IDR-100, SealPlate Sealing Film, ColorTab, Red For ELISA & Similar Assay, 100 Films/Unit - 12-521R | Genesee Scientific