Black Jack Bed Bug & Flea Killer Spray 7.5 Oz Fast Results: Black Jack Spray offers a fast & hassle free solution to getting rid of Bed Bugs & Fleas. Long Lasting: This spray is long lasting and will maintain results for a long time. Extensive Cleansing: Repel & kill all Bed Bugs, Fleas & their eggs. Multi Use: Can be used on your bed, couch, love seat, chair and other fabrics & furniture.