Qivation Nano Photocatalyst Anti-Mold Spray, powerful anti-mold, inhibits algae and moss, suitable for various household facilities, toilets, bathrooms, floor tiles, bathtub sides, wash basin sides, walls and ceilings or all organic matter, effectively solving toxic mold pollution It is antibacterial and deodorizing, inhibiting the growth of bacteria and mold. Japanese Food Research Laboratory tests have proven it to be non-toxic, harmless to humans and animals, and effective in preventing mildew for up to 6 months.