Air Filter Sponge 2.25" Foam for Monotub Mushroom Inoculate Spawn - Reusable Fresh Air Exchange Filter

Enhance your mushroom cultivation with our Air Filter Sponge for Monotub! Each pack includes four reusable foam sponges, designed specifically for optimal fresh air exchange while preventing contaminants in your setup. With a diameter of 2.25" and a thickness of 1.18", these sponges are the perfect fit for your monotub's drilled holes, ensuring a snug and secure installation.

• Compatible with 2" and 2.25" drilled holes for versatility.
• Reusable and durable foam material for long-lasting use.
• Prevents contaminants from entering your monotub.
• Facilitates optimal air exchange for healthy mushroom growth.
• Easy to install and remove as needed.
• Great for both beginners and experienced cultivators.

Common Name: Air Filter Sponge
Scientific Name: N/A
Sunlight: Indoor use
Watering: N/A
Soil: N/A
Hardiness Zones: N/A
Growth Habit: N/A
Format: 2.25" wide, 1.18" thick (4 pieces)