• The Ambi Pur 3Volution electric air freshener refill with Odourclear technology effectively eliminates persistent odors. • Offers a fresh and light fragrance that lasts up to 90 days if used for 12 hours a day on the minimum setting. • Automatically alternates every 45 minutes between three high-quality complementary fragrances to prevent scent habituation. • Elegant Flowers fragrance designed to create a harmonious atmosphere in the home. • Must be used only with Ambi Pur 3Volution electric diffusers.