This powerful product uses tannic acid to neutralize allergens from non-living sources such as dust and mite waste matter, household pet dander, other allergens and pollen. Lasts up to 90 days Treats up to 2400 square feet This powerful product uses tannic acid to neutralize allergens created by dust and dust mite waste matter, cat and dog dander, and other allergens and pollen. Simply spray a fine mist on surface to be treated, allow to dry and then vacuum. For use on soft surfaces that are water soluble: Carpets, curtains, mattresses, pet bedding, pillows, upholstery Directions for Use Holding bottle 2 - 3 feet from surface, spray a fine mist on surface to be treated until surface is dampened but not saturated Spray product on dry surfaces only. Allow treated surfaces to dry thoroughly for at least 3 hours and then vacuum the treated surface Precautions Before application, test on a small hidden area of each item to be treated and allow to dry thoroughly. If staining occurs, do not use Do not sprray on white or off-white colored carpets or fabrics Do not spray on fabrics sensitive to water such as silk, Haitian cottons, certain wools and oriental rugs Do not spray on woodwork or walls Do not spray on surfaces that are moist or damp Do not add product to laundry Store in a cool, dry place Do not spray directly on animals or pets As with all chemicals, keep out of reach of children Surfaces treated with ADS should not be wet cleaned or steam cleaned afterwards. We reommend vacuuming or other dry cleaning methods only Active ingredients: 3% Tanacetane low molecular weight tannic acid formulation