{"product_id":"eptfe-filter-disc-stickers-mushroom-jar-lids-59mm-76mm","title":"EPTFE Filter Disc Stickers for Mushroom Jar Lids | 59mm \u0026 76mm","description":"\n\u003ch2\u003eEPTFE Synthetic Filter Disc Stickers for Mushroom Cultivation\u003c\/h2\u003e\n\u003cp\u003eTake your mushroom growing setup to the next level with these high-performance \u003cstrong\u003eEPTFE synthetic filter paper stickers\u003c\/strong\u003e. Designed specifically for wide-mouth jar lids, these self-adhesive filter discs allow essential fresh air exchange while keeping out contaminants — giving your mycelium the ideal breathable environment to thrive.\u003c\/p\u003e\n\n\u003cp\u003eMade in Mainland China.\u003c\/p\u003e\n\n\u003ch3\u003eWhy Growers Love These Filter Discs\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWaterproof \u0026amp; Breathable:\u003c\/strong\u003e Dense, uniform 0.22 μm micropores block dust, moisture, and airborne contaminants while maintaining steady gas exchange.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh-Quality EPTFE Material:\u003c\/strong\u003e Non-toxic, high-temperature resistant, and durable — safe for sterilization processes common in mushroom cultivation.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEasy Self-Adhesive Application:\u003c\/strong\u003e Simply peel and stick onto jar lids, grow bags, or other grow containers — no tools required.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUV \u0026amp; Chemical Resistant:\u003c\/strong\u003e Strong chemical inertia and UV resistance ensure long-lasting performance even under demanding conditions.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePressure Balancing:\u003c\/strong\u003e Helps equalize internal\/external pressure around sealed containers, protecting jar integrity during sterilization and colonization.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQuick Air Recovery:\u003c\/strong\u003e Air permeability is rapidly restored after contact with water, oils, or other liquids.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThin \u0026amp; Lightweight:\u003c\/strong\u003e Low-profile design keeps jars clean-looking without adding bulk.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGenerous Quantity:\u003c\/strong\u003e Each sheet includes either 12 pcs (76.2mm) or 16 pcs (59mm) — plenty for multiple jars in one go.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eEPTFE (Expanded Polytetrafluoroethylene)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePore Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.22 μm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSize Options\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eS: 59mm (16 pcs\/sheet)  |  L: 76.2mm (12 pcs\/sheet)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePackage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 sheet of filter paper stickers\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eApplication\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eWide-mouth mason jars, mushroom grow containers, family plant cultivation\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOrigin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMainland China\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003ePerfect For\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eMushroom spawn jar lids (oyster, shiitake, lion's mane, and more)\u003c\/li\u003e\n  \u003cli\u003eHome and small-scale mushroom cultivation setups\u003c\/li\u003e\n  \u003cli\u003eWide-mouth mason jars and other sealed grow containers\u003c\/li\u003e\n  \u003cli\u003eFamily plant growing and terrarium venting\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1-2l-mini-electric-deep-fryer-1200w-non-stick-adjustable-temperature\"\u003e1.2L Mini Electric Deep Fryer | 1200W Non-Stick Adjustable Temp\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/food-storage-containers\"\u003eFood Storage \u0026amp; Containers\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/0-5mm-mini-pocket-gel-pen-quick-dry-waterproof-10-refills\"\u003e0.5mm Mini Pocket Gel Pen – Quick Dry, Waterproof \u0026amp; 10 Refills\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eFor more information on food-safe materials and filtration standards, visit the \u003ca href=\"https:\/\/www.fda.gov\/food\/food-ingredients-packaging\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eFDA – Food Ingredients \u0026amp; Packaging\u003c\/a\u003e resource.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What size filter disc sticker should I choose for my mason jars?\u003c\/h4\u003e\n\u003cp\u003eA: Choose the \u003cstrong\u003e59mm (S) size\u003c\/strong\u003e if you have standard regular-mouth or smaller wide-mouth jars, and the \u003cstrong\u003e76.2mm (L) size\u003c\/strong\u003e for larger wide-mouth mason jars. When in doubt, measure your jar lid opening before ordering.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Are these EPTFE filter stickers safe to use during pressure sterilization?\u003c\/h4\u003e\n\u003cp\u003eA: Yes! These filter discs are made from high-quality EPTFE, which is non-toxic and high-temperature resistant, making them well-suited for the sterilization processes used in mushroom cultivation workflows.\u003c\/p\u003e\n\n\u003ch4\u003eQ: How do the filter discs prevent contamination while still allowing airflow?\u003c\/h4\u003e\n\u003cp\u003eA: The 0.22 μm micropore structure creates a barrier fine enough to block dust, mold spores, and airborne contaminants, yet the EPTFE membrane remains breathable to allow essential fresh-air exchange — critical for healthy mycelium development during colonization.\u003c\/p\u003e\n\n\u003ch4\u003eQ: How many filter stickers do I get per sheet?\u003c\/h4\u003e\n\u003cp\u003eA: Each sheet contains either \u003cstrong\u003e16 pcs of the 59mm (S) size\u003c\/strong\u003e or \u003cstrong\u003e12 pcs of the 76.2mm (L) size\u003c\/strong\u003e — providing plenty for multiple jars from a single purchase.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What size filter disc sticker should I choose for my mason jars?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Choose the 59mm (S) size if you have standard regular-mouth or smaller wide-mouth jars, and the 76.2mm (L) size for larger wide-mouth mason jars. When in doubt, measure your jar lid opening before ordering.\"}}, {\"@type\": \"Question\", \"name\": \"Are these EPTFE filter stickers safe to use during pressure sterilization?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes! These filter discs are made from high-quality EPTFE, which is non-toxic and high-temperature resistant, making them well-suited for the sterilization processes used in mushroom cultivation workflows.\"}}, {\"@type\": \"Question\", \"name\": \"How do the filter discs prevent contamination while still allowing airflow?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The 0.22 μm micropore structure creates a barrier fine enough to block dust, mold spores, and airborne contaminants, yet the EPTFE membrane remains breathable to allow essential fresh-air exchange — critical for healthy mycelium development during colonization.\"}}, {\"@type\": \"Question\", \"name\": \"How many filter stickers do I get per sheet?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Each sheet contains either 16 pcs of the 59mm (S) size or 12 pcs of the 76.2mm (L) size — providing plenty for multiple jars from a single purchase.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/oasis-select.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Crafts, DIY \u0026 Stationery\", \"item\": \"https:\/\/oasis-select.com\/collections\/crafts-diy-stationery\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"EPTFE Filter Disc Stickers for Mushroom Jar Lids | 59mm \u0026 76mm\", \"item\": \"https:\/\/oasis-select.com\/products\/eptfe-filter-disc-stickers-mushroom-jar-lids-59mm-76mm\"}]}\u003c\/script\u003e","brand":"Oasis Select","offers":[{"title":"48pcs","offer_id":47751165902953,"sku":"14:504#48pcs","price":10.22,"currency_code":"USD","in_stock":true},{"title":"12pcs","offer_id":47751165935721,"sku":"14:496#12pcs","price":10.22,"currency_code":"USD","in_stock":true},{"title":"16pcs","offer_id":47751165968489,"sku":"14:193#16pcs","price":10.22,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/7931\/3257\/files\/Se2a67a685d0048ed8f9cabaf6e482587u.webp?v=1783181894","url":"https:\/\/oasis-select.com\/products\/eptfe-filter-disc-stickers-mushroom-jar-lids-59mm-76mm","provider":"Oasis Select","version":"1.0","type":"link"}