J&D Manufacturing 72" Mega Storm Fiberglass Exhaust Fan, 44,734 CFM - With Cone, Three Phase – 44,734 CFM - With Cone

The J&D Manufacturing 72" Mega Storm Fiberglass Exhaust Fan is a heavy-duty, high-performance ventilation solution proudly manufactured in Wisconsin. Equipped with a 3 HP UL-recognized motor and twin AX85 heavy-duty industrial notched belts with a double-groove steel auto tensioner, the Mega Storm delivers certified airflow up to 44,734 CFM at 0.10" static pressure. Its four-point contact X-frame and UV-resistant fiberglass housing are built for long-term durability in the most demanding dairy, poultry, swine, greenhouse, and industrial environments. Available in single-phase and three-phase configurations, with or without a performance cone. Features & Benefits 4-Point Contact X-Frame: Heavy-duty X-frame design provides superior structural strength and long-term durability under continuous high-load operation. Twin Belt Drive with Auto Tensioner: Double-groove steel belt tensioner and twin AX85 belts extend drive life; tool-free belt access means replacements take seconds. UV-Resistant Fiberglass Housing: Smooth exterior resists UV degradation and is easy to clean, reducing maintenance burden over the life of the fan. 5-Blade Aluminum Propeller: High-efficiency 5-blade aluminum prop delivers powerful, consistent airflow with low noise. High Performance & High Efficiency Models: Choose the model that best fits your operation's airflow and energy requirements. With or Without Cone: Performance-boosting fiberglass cone option available for increased airflow projection. Drainage Holes: Bottom-of-housing drainage prevents moisture accumulation in high-humidity environments. VFD Compatible (3-Phase Models): Three-phase models support Variable Frequency Drive operation for variable speed control and energy savings. Technical Specifications Part # HP Volts Amps Phase RPM Cone CFM @ 0" SP CFM @ 0.05" SP CFM @ 0.10" SP CFM @ 0.15" SP CFM @ 0.20" SP FEI @ 0.10" VFD Compatible VMSA72A5N31 3 230 14.5 1 317 No 45,683 42,736 38,960 33,717 25,090 1.72 No VMSA72A5C31 3 230 14.5 1 318 Yes 47,659 44,728 40,792 34,435 25,679 1.81 No VMSA72A5N33 3 230/460 9.0/4.5 3 337 No 48,891 46,150 42,950 38,276 29,782 1.64 Yes w/VFD VMSA72A5C33 3 230/460 9.0/4.5 3 340 Yes 51,080 48,016 44,734 40,295 28,722 1.71 Yes w/VFD