Home > Agriculture > Grain Guard GGF-80511 – 5HP – 9″ x 14″ Grain Guard GGF-80511 – 5HP – 9″ x 14″ $2,595 Call 204-746-8441 Email Us Overview Condition:New Horse Power:5 Description High Speed Centrifugal Grain Guard GGF-80511 – 5HP Single Phase Aeration Fan for 9″ x 14″ Opening for Air Max or Rocket. List Price $2,810. Sale Price $2,595. Call Tanner or Mark for more details. 1-866-746-8441.