Round Mushroom Monotub Kit-Inflatable Mushroom Grow kit,with Plugs and Filters for Fresh Air Exchange,Save Your Mushroom Grow Bag and Easy Storage Creative design: This is a good helper for you to grow mushrooms at home! It provides you with a scientific mushroom planting environment. There are 12 vents for fresh air exchange, and the drain hole at the bottom can discharge excess water. Greatly save your mushroom planting bag. Durable material: It is made of high quality transparent plastic material, which is durable, waterproof and can be used for a long time. You can observe the growth of mushrooms at any time and record the growth process of mushrooms. Easy to use and store: After receiving the goods, inflate the mushroom room with the air pump to obtain a complete mushroom planting room. When not in use, let out air and fold it for storage without taking up too much space. Mushroom Monotub Kit: Mushroom planting set has everything you need. You will get 1 pcs monotube kit, 12 pcs red rubber plug ,12 pcs filters,1pcs air pump.