D250 Speed Adjustable Oblique Fan of Fume Hood

D250 Speed Adjustable Oblique Fan of Fume Hood. Corrosion Resistant Design: Motor isolated from environment with PP flame retardant shell for excellent corrosion resistance. Continuous Variable Transmission: CVT allows manual control of airflow and pressure for various jobs and environments. Noise Reduction Technology: High-density soundproof cotton intake reduces noise during high-power operation. Motor Overheat Protection: 4-hole internal circulation shell cooling prevents motor overheating and extends lifespan. 485 Communication Interface: Supports voltage/current/positive control switching with 485 communication capabilities. 2-Year Warranty Coverage: Covers 2 years from receipt with free accessories for quality issues. Rapid Technical Support: Online service available with 1-hour response time for technical support or claims.