Onguard Professional P-1D Ready-To-Use Residual Household Insect Spray is an effective insecticide for the control of a wide variety of crawling insect pests in and around residences. Available in a handy 2 litre size, Onguard insect spray delivers a rapid kill of fleas, ants, cockroaches, crickets, millipedes, silverfish, spiders, and more! Plus, this incredible residual household spray continues to eliminate insects long after the spraying process is done.