Brand New, Unopened EARTH Pharmaceutical Rakuhapi Bath Kabi-nu (Mold Prevention) Smokeless Push Fresh Soap Scent Set of 2 Approximately 6 months per bottle (used once a week) Spray into the space Also for areas of concern! Features Prevents mold throughout the entire space with one push!! Effective ingredients penetrate even when wet to prevent mold Toys and small items can be left in place! Disinfects and removes viruses Prevents pink slime! The more you use it, the less you'll need to clean black mold. Bathroom Mold Preventative