Sponge Odor Absorber, Neutral, 64 oz, 4/CartonContains a soap based gel with activated charcoal.When opened, the two components work together to dissipate a stream of “lighter than air” molecules into the environment, interacting with and neutralizing odor and pollutant molecules.This creates a pure, fresh, healthy air quality.Covers up to 300 square feet with an 8 foot standard ceiling.