The 440 Series is a one-piece plastic-molded fan characterized by high durability, high efficiency, and low noise.

• Pilots are available between 1” and 7.08”
• Bolt Circles are available between 1.97” and 7.87”
• Custom Pilots and Bolt Circles are available.
ACS’s Pilots and Bolt Circles (pdf)
• 439
• 440
• 441