**Optimized Product Description:**
Discover the ultimate control with our advanced ventilation system designed exclusively for WX9 and WX12 models. This innovative solution features an intuitive On/Off control with a neon indicator, ensuring you always know when your system is operational. The standout feature is the infinitely variable speed selection, which allows precise control over both extract and intake air flow. Perfectly suited for setups with up to 6 WX9 units or 4 WX12 units, this system delivers unmatched flexibility and performance. Elevate your ventilation efficiency with this cutting-edge, high-performance control system.
