The easy, effective way to kill insects in your home, this lacquer destroys ants, woodlice, cockroaches and other crawling insects with just one application. Apply to non-absorbent surfaces and the formula will dry to a hard clear film which kills insects when they come into contact. And there's no need to keep re-applying - just one application remains effective for months. Effective for months after first application Kills ants, cockroaches, woodlice and other crawling insects CFC free