This listing is for (3) brand new Antminer Power Supply Fan replacements and is compatible with APW8, APW9, APW9+ and APW3 (not ++ model).  The item in the pictures is the exact model that you will receive.  They are Nidec UltraFlow 4x4x2.8 12V  2pin fans.  

Very good idea to have at least one extra on hand.  It's a pretty simple fix and can save you lost revenue.

Will ship in a Flat Rate USPS Priority Mail Box.  Items typically ship within 24 hours of payment.  Items typically arrive in 2-3 business days depending on your location.