The Prozap Bovi-Rub back rubber is designed for effective and economical control of flies, grubs, lice and ticks on cattle and other livestock. Superior insecticide charging with wicking action allows for low-stress application of insecticides on cattle and other livestock. Hang near water, mineral feeders or in alley ways to encourage use. Initially charge the Bovi-Rub back rubber with 2.5 to 5 gallons of solution and recharge as necessary to maintain wetness. | Neogen Prozap Bovi-Rub Backrubber | Size 10 ft