# Air compressor accessory Proline 66308 — single-piece fitting for compressed air systems

**URL:** https://aio.lv/en/product--proline-5663085--10786478
**Data updated:** 2026-03-12 10:13 (EET)
**Category:** Air Compressors
**Manufacturer:** Proline
**Manufacturer code:** 5663085
**EAN:** 5903755663085
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 5.49 €
**Prices and availability valid until:** 2026-07-10 23:59
**Price without VAT (21%):** 4.54 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--proline-5663085--10786478

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 18.06.2026 | free |
| Pickup points | 25.06.2026 | 1.99 EUR |
| Courier delivery to door | 25.06.2026 | 4.99 EUR |

## Summary description

Proline 66308 is an air compressor accessory supplied as a single piece for use in compressed air and pneumatic systems. Designed as a fitting/connector, it serves to join, adapt or extend airline connections on compressors, tools and workshop equipment. Suitable for repair, maintenance and installation tasks where a reliable connection component is required.

## Long description

Proline quick connector with valve designed for connecting 10 mm diameter hoses in pneumatic systems. The fitting 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 for controlled disconnection, simple push-fit installation for 10 mm hoses, and robust construction to withstand typical workshop pneumatic conditions. Its compact design minimizes air leakage and simplifies maintenance.
Suitable for
Connecting 10 mm pneumatic hoses
Air compressor accessory and workshop pneumatic lines
Repair or replacement of hose fittings in pneumatic tools and equipment
Key specifications
Brand: Proline
Model / MPN: 5663085
EAN: 5903755663085
Intended hose diameter: 10 mm
Quantity: 1 pc
How to use
Ensure the air supply is switched off and the system is depressurized before installation. Push the 10 mm hose into the connector until it seats firmly; the integrated valve will close when disconnected and open when connected. Verify the connection for leaks after restoring air pressure and tighten or re-seat the hose if necessary.
Usage recommendations
Use with hoses and fittings rated for the same working pressure. Inspect the connector regularly for wear or damage and replace if sealing performance degrades.

## Specifications

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

## FAQ

### How much does the Air compressor accessory Proline 66308 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 — 352 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 18.06.2026 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/10786478/64449329_large.webp