🧪 Filter Patch Mushroom Grow Bags

Professional autoclavable mushroom grow bags with .2 micron filter patch for clean gas exchange and low contamination rates.

Perfect for grain spawn, inoculation work, and bulk fruiting blocks. Pressure cooker safe.

📏 AVAILABLE SIZES

🟢 SMALL – Grain Spawn / Testing

Size: 10cm × 50cm
Ideal for: grain spawn, small test batches, inoculations

• 5 pack — $5
• 10 pack — $9
• 20 pack — $16

🔵 MEDIUM – Standard Grow Bag (MOST POPULAR)

Size: 180mm × 500mm × 0.06mm
Ideal for: general spawn work, home growers, small fruiting blocks

• 5 pack — $6
• 10 pack — $10
• 20 pack — $18

🔴 LARGE – Bulk Fruiting / Commercial Use

Size: 20cm × 12cm × 50cm
.2 micron filter patch
Pressure cooker safe

Ideal for: bulk substrate blocks, oyster production, high-yield grows

• 5 pack — $6.50
• 10 pack — $11
• 20 pack — $19

⭐ PRODUCT FEATURES

• .2 micron filter patch for clean airflow
• Autoclavable / pressure cooker safe
• Strong heat-resistant material
• Suitable for grain spawn & fruiting blocks
• Used for oyster, lion’s mane, shiitake cultivation

🧠 WHICH SIZE SHOULD I CHOOSE?

• Small → testing & grain spawn
• Medium → everyday growers 
• Large → bulk production / commercial growers