Excel Scientific XP-100, X-Pierce, Pierceable Sealing Film, Non-Sterile 89 µm, Vinyl, 100 Films/Unit - 12-140 | Genesee Scientific Excel Scientific XP-100, X-Pierce, Pierceable Sealing Film, Non-Sterile 89 µm, Vinyl, 100 Films/Unit - 12-140 | Genesee Scientific