The 2VA06-AP70/LL-37A (EF3580) Twin 12v 11" SPAL Puller Fan is back in stock and at a great price of $445.50 for the rest of September.
Individually balanced for long life, the EF3580 Twin 11" Puller Fan features fully sealed (IP68) water & dust-proof motors rated at 2720cfm (4610m3/h) and is backed with a 3-year manufacturers warranty.