# Thermos Leifheit Harmonic 1 L stainless steel vacuum insulated flask (model 1028543)

**URL:** https://aio.lv/en/product--leifheit-1028543--10609428
**Data updated:** 2025-11-28 22:58 (EET)
**Category:** Thermoses
**Manufacturer:** Leifheit
**Manufacturer code:** 1028543
**EAN:** 4006501285430
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 20.99 €
**Prices and availability valid until:** 2026-07-19 23:59
**Price without VAT (21%):** 17.35 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--leifheit-1028543--10609428

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 26.06.2026 | free |
| Pickup points | 01.07.2026 | 1.99 EUR |
| Courier delivery to door | 01.07.2026 | 4.99 EUR |

## Summary description

Leifheit Harmonic thermos, model 1028543, is a 1‑liter stainless steel vacuum insulated flask designed to keep beverages hot or cold for extended periods. The durable stainless steel construction and vacuum insulation reduce heat transfer, making it suitable for travel, work, outdoor activities, and daily use. Practical for carrying coffee, tea or cold drinks, it offers reliable temperature retention and easy transport.

## Long description

Leifheit Harmonic thermos, model 1028543, is a 1.0 L stainless steel vacuum insulated flask that maintains beverage temperature for long periods. The double vacuum glass wall reduces heat transfer to keep drinks hot up to 24 hours and cold up to 36 hours. The thermos features a screw cap with a visible push-button position, a leak-proof spout for easy pouring, an ergonomic handle for comfortable carrying and is BPA-free.
Advantages
The double vacuum glass wall delivers efficient thermal insulation while the stainless steel exterior provides durability and a classic appearance. The leak-proof screw cap with a push-button indicator simplifies use and prevents spills. The ergonomic handle and pour spout make serving hot or cold drinks convenient and safe. BPA-free materials ensure suitability for daily use.
Suitable for
Travel and commuting
Office and worksite use
Outdoor activities and picnics
Home use for coffee, tea or cold beverages
Key specifications
Brand: Leifheit
Model: Harmonic 1028543
Capacity: 1.0 L
Material: stainless steel with double vacuum glass wall
Hot retention: up to 24 hours
Cold retention: up to 36 hours
Leak-proof screw cap with push-button indicator
BPA-free
EAN: 4006501285430
How to use
Preheat or precool the thermos by filling it with hot or cold water for several minutes, then empty before adding the beverage. Open the screw cap using the push-button indicator and pour via the spout; close the cap securely after each use to maintain insulation. Clean the thermos by hand washing with warm soapy water and allow to dry completely before storage. Avoid using abrasive cleaners or placing the thermos in the dishwasher unless the manufacturer’s care instructions state otherwise.
Usage recommendations
For optimal temperature retention, fill the thermos close to its 1.0 L capacity and minimize the number of times the cap is opened. Do not store carbonated drinks or perishable liquids for extended periods.

## FAQ

### How much does the Thermos Leifheit Harmonic 1 L (1028543) cost, and is it available for purchase?

The price is 20.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 5 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 26.06.2026 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: Cash payment, 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 Leifheit 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 Leifheit 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/10609428/53511831_large.webp