Click to expand Tap to zoom EQUITROL II FEED-THRU FLY CONTROL 10 LB Save Liquid error (product-badge line 32): Computation results in '-Infinity'% $67.99 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart Equitrol II pellets in horses' feed prevent development of stable and house flies in the manure of treated horses.