These ePTFE filter membranes are essential accessories for mushroom cultivation, providing a practical solution to contamination challenges. Their innovative design supports consistent airflow and ensures a clean environment, making them indispensable for planters seeking practical results in their cultivation endeavors. Features -Color:Multi -Material:Eptfe -Size:1.00X1.00X0.50cm/0.39X0.39X0.20in -Advanced sterile filtration: Breathable Filter Discs, provides a secure barrier against contaminants, ensuring a pure and controlled environment for mushroom growth -Optimized ventilation: Mushroom Filters, features micropore technology that balances airflow and filtration, supporting healthy and vigorous mushroom development -Cultivation Filter Stickers: made with sturdy eptfe material, suitable for various cultivation methods and laboratory applications -Bulk packaging efficiency: meet the demands of large scale operations, reducing the need for frequent replacements -Simple maintenance: designed for easy installation and replacement, simplifying the cultivation process and improving operational efficiency Package list: 2 x sheets of Cultivation Filter Stickers (150pcs/Sheet)