Amazon.com: Delta PFR0912XHE DC Brushless Fan T28295 : Electronics
Delta AFB0412HHB are 40 x 40 x 15mm high speed cooling fan with high quality dual ball bearing and premium grade materials, and the life expectance is 70,000 hours of continuous operation
FFB0924EHE, 92x92x38mm, 24 VDC, 0.50A, 12 W, 4800RPM, 2 lead wires, ball bearing, axial, dc fan, delta