{"product_id":"30-37mm-tapered-bung-with-10mm-hole","title":"30-37mm Tapered Bung with 10mm Hole","description":"\u003ch2\u003eTapered Bung with Airlock \u0026amp; Blow-Off Tube Recess (10mm Bore)\u003c\/h2\u003e\n\u003cdiv\u003eA versatile fermentation bung designed to give you flexible options during active fermentation. The tapered design fits a wide range of demijohn sizes, while the 10 mm bored hole is ideal for standard airlocks to keep oxygen out while allowing CO₂ to escape.\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003eAt the wider end of the bung, a 15mm recessed cavity allows 15mm OD blow-off tube (such as our 12.5mm ID Vinyl Tubing) to seat securely. This makes it easy to switch from a standard airlock to a blow-off setup during vigorous fermentations, helping prevent messy blowouts while maintaining a sealed system.\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003eThe tapered profile ensures a snug, reliable seal across most common smaller demijohns. It will also fit the Handcraft Supplies 5L Wide Mouth Demijohns. The bung material also adheres better to glass than a standard silicone that can become slippery and pop out.\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eSuitable for Demijohn Sizes:\u2028 \u003c\/strong\u003e5L with Flip top\u003c\/div\u003e\n\u003ch3\u003e\u003c\/h3\u003e\n\u003ch3\u003eDimensions:\u003c\/h3\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eHeight: \u003c\/strong\u003e38mm\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eBore Diameter:\u003c\/strong\u003e 10mm\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eDiameter (Large Taper): \u003c\/strong\u003e37mm\u003cspan class=\"Apple-tab-span\"\u003e \u003cbr\u003e\u003c\/span\u003e\u003cstrong\u003eDiameter (Small Taper):\u003c\/strong\u003e 30mm\u003c\/div\u003e","brand":"Vintners Harvest","offers":[{"title":"Default Title","offer_id":48631184490750,"sku":"55532","price":6.99,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0077\/9832\/5321\/files\/30-37mm_bung_2_8073bb39-7fce-4a0d-a645-baf172f9f027.png?v=1784776943","url":"https:\/\/brewhq.com.au\/products\/30-37mm-tapered-bung-with-10mm-hole","provider":"Brew HQ","version":"1.0","type":"link"}