Mushroom Filter Patch 24X Mushroom Adhesive Filter Discs Vegetable Growing Tools For Moisture Preservation Gardener Indoor Mushroom growing supplies made with cotton provide 24x greater humidity retention and moisture preservation making them ideal for gardeners cultivating mushrooms indoors or outdoors Product material: cotton Product color: white Single piece size: as shown in the picture 2.95in (75mm); 2.56in (65mm); thickness 2mm (0.08in) Note: Due to different lighting and screen settings, the item color may be slightly different from the picture. Due to different manual measurements, please allow a 1-2cm difference in size. Product list: 24 pieces * mushroom growing supplies See more product details 1.Optimized Air Purity: Assures efficient removal of micro-particles for a controlled cleanliness, promoting safe mushroom cultivation environments with dependable air quality management 2.Tear-Resistant Design: Solid cotton material ensures balanced density and resists tears, offering a solid foundation for consistent mushroom growing performance 3.Excellent Moisture Control: Assures dryness prevention and humidity retention for great mushroom cultivation with consistent airflow maintenance and moisture preservation to support healthy growth 4.Solid Growth Solution: Engineered with optimal thickness and a versatile 2.5-inch fit, the supplies provide seamless integration into different setups, enhancing user experience through adaptable and dependable design features 5.Convenient Peel-And-Apply Fixing: Simplify the setup of your mushroom growing system with user-friendly supplies featuring a peel-and-apply design and sufficient replacement options to save time and improve usageal efficiency _x000D_ _x000D_