3″ idler pulley with bolt for Aerotech/Munters fans. 3/8″ bore.
Fits Aerotech 50″ Dragonfly, Grower 36″ & 48″ fans, and 36″ – 55″ VX fans.
Diagram 1 – Grower fans (part 12)
Diagram 2 – Dragonfly fans (part 21)
Diagram 3 – 36″ & 48″ VX fans (part 12)
Diagram 4 – 51″ & 55″ VX fans (part 12)








