• 12 modified mason jar lids fitted with injection ports and .22 micron gas exchange filters for mushroom spawn jars
  • Spawn Jar Lids
  • Mason Jar Spawn Lids (12) w/ Injection Port and Gas Exchange Filter
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Mason Jar Spawn / Liquid Culture Lids (12) w/ Injection Port and Gas Exchange Filter

Mason Jar Spawn / Liquid Culture Lids (12) w/ Injection Port and Gas Exchange Filter

$17.00
$17.00
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Warranty & Refund Policy

Growing Supplies Warranty and Refund Policy

  • We accept returns for all of non-substrate mushroom growing products in new condition with the original packaging within 30 Days after placing your order, with the exception of Agar Agar. 
  • Shipping fees and sales tax are non refundable.
  • Buyer pays return shipping.
  • We issue store credit only. 
  • No returns on sale items.

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SKU: LIDSPDWIDEP+F

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Each order includes 12 lids designed specifically for mushroom spawn and BRF jars. These lids feature an embedded silicone ring to prevent contamination. Each lid is equipped with a 13mm self-healing injection port and a .22-micron gas exchange adhesive filter. Available for both Regular Mouth and Wide Mouth jars. Please note that jar bands are not included, and lids should be handled carefully to avoid bending.