Ortho 32oz Indoor & Perimeter Concentrate

With this long-lasting spray, you'll have up to 12 months of protection from ants, roaches, and spiders (indoors on non-porous surfaces). Retreatment of this quick drying spray is recommended once per season or every three months in outdoor settings. Each 32oz container makes up to 4 gallons of non-staining and odor-free bug killer which can be applied using a tank sprayer.