Preserve jar lids, filters, and injection ports when sterilizing and autoclaving with silicone jar covers. Used as a more effective alternative to foil – saving money over time and creating significantly less waste. These jar covers are perfect for the budding mycologist, and are designed for wide-mouth lids and hold up to extreme temperatures and pressure while protecting lids from excessive exposure to steam and water.
Features
- Effective foil substitute when sterilizing jar lids
- Hold up to extreme temperatures and pressure
- Fits wide mouth mason jars
- Sold in packs of 10