You work hard making your outdoor space beautiful and comfortable. Don't let fleas and ticks or other pests take over. Protect your lawn, trees and shrubs with Black Flag Flea & Tick Killer Concentrate Yard Treatment. Specially formulated for your yard, this ready-to-spray, hose-end treatment kills fleas, ticks, mosquitoes and other listed insects, killing fleas outdoors for up to 12 weeks. Use in your home lawn, kennel or dog run area, or as a home barrier treatment around your foundation. One quart treats 5,000 square feet. QuickFlip hose-end sprayer activates at the flip of a switch. An effective flea and tick control program includes coordinated treatment of the home, yard and pet. Treatment and prevention work together, so it's key to treat all three areas simultaneously.