PYRET – DUO, is a natural insecticide of rapid contact and of long spectrum, which is extracted from the dried flowers of chrysanthemum certains (Tanacetum cinerariifolium). The active material is pyrethrin. As it is, plant extracts also contain other substances. Sesame oil is an assistant for a synergistic effect (increases effectiveness). The active substances are rapidly degraded by sunlight and are only effective for a short time