# ALNOR CSL-250 Galvanized Steel Plug End for Ventilation Ducts

**URL:** https://aio.lv/en/product--alnor-cpsl-250--4907236
**Data updated:** 2026-06-10 09:32 (EEST)
**Category:** Ventilation Filters
**Manufacturer:** ALNOR
**Manufacturer code:** CPSL-250
**EAN:** 4772013122395
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 7.49 €
**Prices and availability valid until:** 2026-07-21 23:59
**Price without VAT (21%):** 6.19 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--alnor-cpsl-250--4907236

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 01.07.2026 | free |
| Pickup points | 06.07.2026 | 1.89 EUR |
| Courier delivery to door | 06.07.2026 | 4.99 EUR |

## Summary description

The ALNOR CSL-250 is a high-quality plug end designed for sealing circular ventilation ducts. Manufactured from durable galvanized steel, this component ensures a secure and airtight closure in HVAC systems. It is an essential fitting for maintaining system pressure and preventing air leakage in industrial or residential ventilation networks.

## Long description

The ALNOR CSL-250 is a professional-grade plug end engineered for the reliable sealing of circular ventilation ducts. Constructed from high-quality galvanized steel, this component provides a robust and airtight barrier within HVAC systems. It is designed to maintain optimal system pressure and prevent unwanted air leakage, ensuring the efficiency of both industrial and residential ventilation networks.
Advantages
The primary benefit of the ALNOR CSL-250 is its durable galvanized steel construction, which offers excellent resistance to corrosion and mechanical stress. Its precise design ensures a tight fit, which is critical for maintaining the integrity of air distribution systems. By effectively sealing off duct ends, it helps in preventing energy loss and maintaining the required airflow characteristics throughout the entire ventilation installation.
Suitable for
Sealing circular ventilation ducts
HVAC system maintenance and installation
Industrial ventilation networks
Residential air distribution systems
This product may not be suitable for applications involving highly corrosive chemical environments or extreme temperatures that exceed the thermal limits of galvanized steel. It is also not intended for use in non-circular ducting systems where a different geometry is required for a proper seal.
Key specifications
Material: Galvanized steel
Diameter: 250 mm
Compatibility: Circular ventilation ducts
Application: HVAC sealing
To install the ALNOR CSL-250, simply insert the plug into the end of the circular duct. Ensure that the connection is fully seated to achieve an airtight seal. Depending on the specific installation requirements, additional sealing tape or mechanical fasteners may be used to secure the component firmly in place within the ductwork.
What to consider before purchase
Verify the diameter of your existing ductwork to ensure compatibility with the 250 mm size
Check the material requirements of your specific ventilation environment
Ensure that the duct end is clean and free of debris before installation
Usage recommendations
For optimal performance and to prevent air leakage, it is recommended to inspect the seal periodically during routine HVAC maintenance. Ensure the plug is correctly aligned with the duct axis during insertion to avoid damaging the edges of the ducting.

## Specifications

| Feature | Value |
|---|---|
| Weight | 0.6 kg |

## FAQ

### How much does the ALNOR CSL-250 Galvanized Steel Plug End cost, and is it available for purchase?

The price is 7.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 31 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 01.07.2026 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 ALNOR 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 ALNOR 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

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