Ambi Pur LiquiFresh liquid air freshener & bowl cleaner contains amongst other ingredients. Anionic surfactant 15-30%. Non-Ironic surfactant 1-5%. Preservative. Suitable for use with septic tanks and all other toilet cleaners, including bleach. Constant fresh fragrance - LiquiFresh releases a concentrated fragrance liquid that fills your entire bathroom with fresh scents - day in and day out. Cleans with every flush - LiquiFresh circulates a concentrated liquid cleaner directly into the bowl, flush after flush, for up to 30 days. The foaming bubbles help scrub your bowl clean. Suitable for use in toilets with septic tanks.