322.5X322.5mm Mounting Ventilation Blower Fan and Filter (TX9985)

322.5X322.5mm Mounting Ventilation Blower Fan and Filter (TX9985). Advanced Waterproof Design: Features waterproof backtick louver and sealing tape to effectively block water, sand, and large objects. Tool-Free Maintenance: Push-pull knob switch allows easy opening of rainproof shutter; filter pad cleans and replaces quickly. High-Quality Sealing Material: Uses imported German raw materials for the sealing tape, ensuring excellent sealing properties. Wide Application Range: Compatible with various matched fans including 120x120 to 280x280mm sizes and specific diameters. Robust Construction: Constructed with ABS housing and ball bearing system for durability and reliable performance. Multiple Voltage Options: Available in AC230V, AC110V, and DC24V models to suit different power supply requirements. Certified Safety Standards: Meets ISO, CE, CCC certifications and En60529 safety rating with IP54/55 ingress protection. Customization Support: ODM and OEM services available; special voltages and parameters can be consulted for custom needs.