SMSMS Filter Patch as used on Commercial Spawn Bags

Commercial Mushroom Filter Patch is an essential tool for mushroom cultivators seeking optimal growing conditions. Each patch measures 55x55mm, perfectly sized for small to medium grow bags or containers. The filter patch is designed to achieve a fine balance, allowing gas exchange while blocking contaminants, ensuring your mycelium can breathe without the risk of contamination.

Made from high-quality, durable material, these patches withstand moisture and temperature variations typical in mushroom cultivation environments.  Whether you’re a commercial grower or a hobbyist, these filter patches are a reliable choice for enhancing the health and yield of your mushroom crops by maintaining the necessary sterility and aeration conditions.

NOTE:

1. These are the SMSMS non-woven filter patches as found on commercial Spawn Bags or Grow Bags. They do not have glue on like the 0.25 micron stickers.
2. Filter patch to be ‘welded’ to surface with impulse sealer, alternative is to use a soldering iron to weld to a hard Plastic surface as indicated in example photo.
3. These filters are similar to SMS filter (as used in face masks), but with two Meltblown layers sandwiched between thicker Spunbond nonwoven layers, or SMSMS, and more durable.