# Air compressor accessory Proline 66309 — 1 piece, accessory for compressor tools

**URL:** https://aio.lv/en/product--proline-5663092--10786470
**Data updated:** 2026-03-12 10:13 (EET)
**Category:** Air Compressors
**Manufacturer:** Proline
**Manufacturer code:** 5663092
**EAN:** 5903755663092
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 5.49 €
**Prices and availability valid until:** 2026-07-11 23:59
**Price without VAT (21%):** 4.54 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--proline-5663092--10786470

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 19.06.2026 | free |
| Pickup points | 26.06.2026 | 1.99 EUR |
| Courier delivery to door | 26.06.2026 | 4.99 EUR |

## Summary description

Accessory for air compressors by Proline, model 66309, supplied as a single piece. Designed to be used with compressor-driven tools and pneumatic systems to enable connection, adaptation or maintenance tasks. Fits typical workshop and garage applications where a replacement or additional compressor accessory is required. Check compatibility with your equipment before use.

## Long description

Proline quick connector with valve designed for joining 12 mm diameter hoses in pneumatic systems. This air compressor accessory provides a fast and secure connection for air supply components and is made from quality materials to ensure durability and long service life.
Advantages
The Proline quick connector features an integrated valve that prevents air loss during connection and disconnection. Its construction from corrosion-resistant materials ensures reliable performance in workshop and industrial environments. The compact design enables easy handling and quick installation on 12 mm pneumatic hoses.
Suitable for (tasks / use cases)
Connecting 12 mm diameter pneumatic hoses to air tools and compressors
Workshop and garage pneumatic installations
Maintenance and repair tasks requiring quick hose changes
Key specifications
Brand: Proline
Model / MPN: 5663092
EAN: 5903755663092
Compatibility: hoses with 12 mm inner diameter
Quantity: 1 piece
How to use
Inspect the hose end and connector for debris or damage before installation. Push the 12 mm hose onto the connector until it seats firmly; the integrated valve will close when disconnected and open upon secure engagement. Verify the connection is tight and perform a brief pressure check on the system to confirm there are no leaks.
Usage recommendations
For safe operation, use the connector within the pressure range specified by your pneumatic system and avoid exposure to chemicals or temperatures beyond material limits. Regularly inspect fittings and hoses for wear and replace if any damage or leakage is detected.

## Specifications

| Feature | Value |
|---|---|
| Quantity per pack | 1 pc(s) |

## FAQ

### How much does the Air compressor accessory Proline 66309 cost, and is it available for purchase?

The price is 5.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 221 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 19.06.2026 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 Proline 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 Proline 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/10786470/64449316_large.webp