12 weeks (each unit lasts up to two weeks) of freshness. Prevents toilet rings & limescale. Neutralizes odors. 6 disposable applicators. Self-sticking gels. Hygienic touch-free application with single use applicator. 12 weeks (each unit lasts up to two weeks) of freshness. Contains no phosphate. Just press & click. Health. Hygiene. Home. Paper box. Multi-layer wrapper. how2recycle.info.