Autoclavable Spawn Bags with 0.22 µm Filter — 10 Pack

Autoclavable spawn bags with a 0.22 micron filter — faster gas exchange, tougher film.

Gusseted polypropylene bags for grain spawn and sterilized substrate. This listing is a 10-pack of the medium size printed on the photo: 20 × 13 × 51 cm (8 × 5 × 20 in).

What you get

• 10 empty gusseted spawn bags
• 0.22 micron filter patch for fresh air exchange
• 75 micron (about 3 mil) polypropylene film
• Size 20 × 13 × 51 cm / 8 × 5 × 20 in
• Room for about 1.4–1.8 kg (3–4 lb) of grain

Why growers pick it

• 0.22 micron patch speeds colonization without opening the bag
• 75 micron film resists the micro-tears that ruin a run
• Gusset stands open while you fill and seals flat in the autoclave
• Unicorn-style workflow at a straightforward 10-pack price

How to use

• Fill with hydrated grain or substrate, leave headspace, and fold the top
• Autoclave or pressure-sterilize according to your cycle
• Inoculate through a self-healing port or in front of a flow hood
• Incubate sealed. The patch handles gas exchange

Pack

• 10 pcs: €19

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