
Seal Caps & Vent Caps for Erlenmeyer Flasks by NEST Scientific are USP Grade VI PP caps, E-beam sterilized to SAL 10⁻⁶, cGMP 21 CFR Part 820 compliant. Vent caps include a 0.22 µm PTFE membrane for sterile gas exchange. Available in seal/vent pairs for 125 mL (781925/781935), 250 mL (782925/782935), 500&1000 mL (783925/783935), 2 L (785903/785913), 3 L/2&3 L HE (786903/786913), and 3 L wide/5 L efficient (787903/787913).







