Tapered Demijohn & Bottle Cork, 23mm/ 18mm
This natural tapered cork bung (18 mm small end / 23 mm large end) provides a secure, airtight seal for demijohns, bottles and other tapered-neck containers, making it ideal for fermentation, storage and laboratory applications.
Crafted from premium, sustainably sourced cork, its tapered profile expands to fit a range of neck diameters, creating an impermeable barrier against air and contaminants. Cork’s natural elasticity, low moisture uptake and antimicrobial properties ensure contents remain pure and flavours uncompromised—essential for home brewing, winemaking and scientific use.
Key Features
- Tapered design: 18 mm to 23 mm profile adapts to various neck sizes for a reliable, snug fit.
- Premium cork material: Naturally elastic and impermeable, creating an airtight seal.
- Antimicrobial properties: Inhibits bacterial growth to protect and preserve contents.
- Sustainable & reusable: Eco-friendly cork harvested responsibly and suitable for repeated use.
- Versatile application: Perfect for home brewers, winemakers, bottlers and laboratory technicians.
Delivery
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Returns
Something not quite right? You have 14 days from the day you receive it, to send something back.
Please note, we cannot offer refunds on fashion face masks, cosmetics, pierced jewellery, adult toys, and swimwear or lingerie if the hygiene seal is not in place or has been broken. Items of footwear and/or clothing must be unworn and unwashed with the original labels attached. Also, footwear must be tried on indoors. Items of homeware including bedlinen, mattresses, and toppers, and pillows must be unused and in their original unopened packaging. This does not affect your statutory rights.
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