Round Air Filter Vents 0.22 Micron with 3M Backing (50-Pack)
Round Air Filter Vents 0.22 Micron with 3M Backing (50-Pack) is backordered and will ship as soon as it is back in stock.
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Description
Description
Round Air Filter Vents – 0.22 Micron with 3M Backing (50-Pack)
Sterile Gas Exchange for Jars, Cultures & Spawn Bags
These Round Air Filter Vents are the go-to choice for enabling sterile gas exchange in grain jars, live cultures, liquid culture lids, and spawn bags. With a 0.22 micron filtration rating, they effectively block airborne contaminants while allowing for ideal oxygen flow. Each vent is backed with lab-grade 3M adhesive designed to withstand autoclave temperatures over 250°F at 15 PSI, making them perfect for repeated sterilization cycles.
Designed for standard 1/4" jar lid holes, these 19mm filters come in a convenient sheet of 50 and are compatible with metal and plastic surfaces. Whether you're a beginner or a pro working on a large batch, these vents are easy to apply and built for performance.
Includes:
- 50 peel-and-stick 0.22 Micron round filter vents (19mm diameter)
- Strong 3M pharmaceutical-grade adhesive backing
- Compatible with plastic, metal lids, and spawn bags
- Waterproof, reusable, and autoclave-safe
Perfect for DIY setups, labs, and serious cultivators looking for dependable sterile filtration in every batch.