Kills ants and crawling insects on contact. Rapid action formula contains PBO for enhanced knockdown and kill. Long-lasting residual action when sprayed onto hard surfaces. Ergonomic trigger-handle for powerful targeted application. Suitable for home and commercial use. Part of the ULTRA POWER range: Guaranteed effectives 600 ml Zero In Ultra Power Ant & Crawling Insect Killer 600ml | For Home & Commercial Use Ultra Power Ant & Insect Killer from Zero In is a fast-acting knockdown spray that kills ants and other crawling insects on contact whilst also providing a long-lasting residual effect to prevent re-infestation. This enhanced formula comes in a double-capacity can with built-in ergonomic trigger handle for accurate and powerful application, making it ideal for use in both home and commercial settings.