Features:

Product design:
Synthetic filter disc has 0.22 μm filter element, thickness of 0.2 - 0.25 mm, suitable for 90 mm wide mouth bottle caps, can also be cut to fit conventional caliber or other smaller sizes, and let in fresh air to avoid harmful items.

Nice working performance:
These synthetic filter discs are resistant to high temperature and high pressure. They can be applied in autoclaves, steam sterilizers or autoclaves.

Applications:
These synthetic filter discs are widely applied by those engaged in small home planting, and you can put them into the holes under the lid of the wide mouth jar. Paint the surface, and then paste the label.

Functions:
These paper can exchange fresh and continuous air while preventing unnecessary pollutants from entering. The synthetic filter disc can be installed in most wide mouth 90 mm tank, which is commonly applied in cultivators field today.

Specifications:
Size: 90 mm in diameter
Color: white

Package includes:
30 x Synthetic filter discs

Notes:
The smooth surface of the synthetic filter disc faces the liquid, and the surface needs to be cleaned and dried before use.
Please allow slight dimension error due to manual measurement.
Please allow slight color difference due to different monitor.
They are not stickers!