Optimize your Drosophila research with these high-density foam plugs, tailored specifically for glass vials. Precision die-cut for a perfect, snug fit, they provide an effective barrier against mites while ensuring optimal airflow through the open-cell breathable foam. Their design simplifies workflows by allowing gas insertion without removing the plug, saving time and effort in busy labs. Unlike cotton plugs, these foam plugs leave no clinging fibers and are designed for repeated use. Reusable, washable, and fully autoclavable, they offer a durable and cost-effective alternative to traditional closures. Their robust construction ensures long-lasting performance, making them an excellent choice for labs focused on efficiency and economy. Packaged in a convenient case of 400, these plugs are ideal for high-volume glass vial applications. Choose these premium foam plugs for consistent results and enhanced lab productivity!