Heinz Herenz Steristoppers No. 37, for Vial with Neck ID: 37.5 - 41.5 mm, 600 pc/PAK

The original Heinz Herenz Steristopper are available in various sizes, shapes and packaging units, and custom-made products are also possible. Autoclavable up to 200°C Bacteria-filtering Can be sterilized Air-permeable Inexpensive Please note: For single use only