XL Autoclavable Spawn Bags with 0.22 µm Filter — 10 / 20 / 50 Pack

XL autoclavable spawn bags — more room for grain, same 0.22 micron filter.

The large gusset for growers running bigger spawn batches. Choose 10, 20 or 50 bags. Size on the photo: 51 × 20 × 13 cm (20 × 8 × 5 in).

What you get

• Empty XL gusseted spawn bags
• 0.22 micron filter patch
• 75 micron (about 3 mil) polypropylene
• Size 51 × 20 × 13 cm / 20 × 8 × 5 in
• Packs of 10, 20 or 50

Why growers pick it

• Extra gusset for larger grain or substrate fills
• 0.22 micron patch keeps gas exchange high and contaminants out
• Heavy film stands up to autoclave cycles better than thin bags
• 50-pack lands at €1 per bag

How to use

• Fill, leave headspace, and fold or impulse-seal the top
• Pressure-sterilize with your usual cycle
• Inoculate sealed, then incubate without opening
• Same bag in every pack size — only the quantity changes

Choose your pack

• 10 pcs: €12
• 20 pcs: €21
• 50 pcs: €50

Packed and shipped from Italy. Processing 1–3 days.