Ortho® Home Defense Max Insect Control 4 L is a powerful, ready-to-use solution that forms a protective barrier against common household pests. Designed for indoor and outdoor perimeter use, this fast-drying, odor-free spray targets ants, roaches, spiders, fleas, ticks, scorpions, centipedes, and more. Apply around foundations, patios, doorways, and entry points. When used indoors on non-porous surfaces, it offers up to 12 months of residual protection; outdoors, quarterly reapplication is recommended. Comes with a battery-powered Comfort Wand for precise spraying in cracks, crevices, and baseboards.