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Fermax 3399 Universal 4+N Loft Telephone was 8039
Product Code: 3399
![Fermax 3399 Universal 4+N Loft Telephone was 8039](https://images.findtheneedle.co.uk/findtheneedle/products/9338035.jpg)
This is the replacement to the 8039 Audio terminal. Installed in homes, enables communication with outdoor panel and door opening
For more information on Fermax 3399 Universal 4+N Loft Telephone was 8039 talk to Online Security Products
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