Air refresher features a heavy-duty formula that contains twice the odor-eliminating power to replace tough odors with the invigorating blend.. Its special odor neutralizers bind to airborne malodors to reduce and neutralize their pH value for complete freshness. Natural propellant delivers a continuous flow of freshness without VOCs for safe use. Air refresher is perfect for clearing away odors from everyday pet and bathroom smells to stubborn smoke and leftover cooking odors.