With Graepel-DuraVent, Graepel offers you an as yet unique symbiosis of a high-precision punching procedure and an effective anti-corrosion coating.
Your advantage: Corrosion protection for perforated metal sheets with 1000 h resistance in salt spray test.
The result: 7 % more air flow compared to traditional ventilation grilles.
Highly effective, durable, and from one reliable source: Your expert for perforated metal sheets, Graepel.