# Biowin K54 Wine Vessel Cork 54/50 mm

**URL:** https://aio.lv/en/product--biowin-647054--4910992
**Data updated:** 2026-06-10 09:34 (EEST)
**Category:** Corkscrews & Bottle Accessories
**Manufacturer:** Biowin
**Manufacturer code:** 647054
**EAN:** 5904816013733
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 2.99 €
**Prices and availability valid until:** 2026-07-16 23:59
**Price without VAT (21%):** 2.47 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--biowin-647054--4910992

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 22.06.2026 | free |
| Pickup points | 29.06.2026 | 1.99 EUR |
| Courier delivery to door | 29.06.2026 | 4.99 EUR |

## Summary description

The Biowin K54 wine vessel cork is a high-quality sealing solution designed for fermentation containers and demijohns. With a diameter of 54/50 mm, it provides an airtight seal to ensure optimal conditions during the winemaking process. This durable cork is essential for maintaining the integrity of your homemade beverages, preventing oxidation, and ensuring a secure fit for various glass vessels.

## Long description

The Biowin K54 wine vessel cork is a professional-grade sealing accessory specifically engineered for fermentation containers and glass demijohns. Measuring 54/50 mm in diameter, this cork provides a reliable and airtight closure, which is critical for maintaining the stability of the fermentation environment. By preventing unwanted air exchange, it protects your homemade beverages from oxidation and contamination, ensuring that the winemaking process proceeds under optimal conditions.
Advantages
This wine vessel cork is crafted from high-quality, durable materials that withstand the pressures and environmental conditions typical of long-term fermentation. Its precise dimensions ensure a snug fit in compatible glass vessels, minimizing the risk of leaks or gas escape. The material is neutral and does not impart unwanted flavors or odors to the liquid, preserving the authentic taste profile of your wine or other fermented products. Its robust construction allows for repeated use, making it a cost-effective and practical choice for home winemakers.
Suitable for
Sealing glass demijohns during primary and secondary fermentation
Closing fermentation containers for wine, cider, or mead
Securing vessels during the aging process of homemade beverages
When it may not be suitable
This cork is designed specifically for vessels with a 54/50 mm opening. It will not provide a secure seal for containers with different neck diameters, such as standard wine bottles or carboys with significantly larger or smaller openings. It is not intended for use with pressurized carbonated beverages that require specialized pressure-rated closures.
Key specifications
Diameter: 54/50 mm
Material: High-quality fermentation-grade cork
Compatibility: Standard glass demijohns and fermentation vessels
Design: Tapered for a secure, airtight fit
How to use
Before inserting the cork into the vessel, ensure that both the rim of the glass container and the cork itself are clean and dry. Gently press the cork into the neck of the demijohn, applying even pressure to ensure it sits firmly. If using an airlock, ensure the cork is pre-drilled or fitted with the appropriate aperture to accommodate the fermentation tube. Check the seal periodically during the fermentation cycle to ensure it remains securely in place.
What to consider before purchase
Verify the inner diameter of your vessel's neck to ensure it matches the 54/50 mm specification
Check if your fermentation process requires an airlock opening
Ensure the vessel rim is free of chips or cracks that could compromise the seal
Usage recommendations
For best results, sanitize the cork before each use to maintain hygiene. If the cork becomes difficult to remove or shows signs of wear, replace it to ensure the continued integrity of your fermentation process.

## Specifications

| Feature | Value |
|---|---|
| Weight | 0.06 kg |

## FAQ

### How much does the Biowin K54 Wine Vessel Cork 54/50 mm cost, and is it available for purchase?

The price is 2.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 545 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 22.06.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay. All transactions are 100% secure and encrypted.

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All Biowin products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized Biowin service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

## Image

https://aio.lv/img/cache/product/4910992/30588132_large.webp