Keep those pesky flies away from your summer barbecues with this coupon and buy one get one FREE sale through 4/28. Raid Fly Ribbon ($1.99) - $0.99SAVE 55¢ on any ONE (1) Raid® Product (Excludes Raid® Club Packs and Twin Packs) - Available at WalmartFinal Price: FREESelect All | Un-Select All