CarPro - Car Care Products - SO2 Pure - 50 ml Description So2Pure Air Purifying system developed by CarPro is a unique take on car odor eliminators. Allergy sufferers, chemical intolerant people, smokers, or any odor haters will appreciate the benefits So2Pure coating brings Green technology: It works better than plug-in air purifiers or spray deodorizers and you don't have clouds of artificial fragrance in your vehicle. Eliminates odors including but not limited to those caused by smoke, pets, tobacco, food, gas fumes, diesel, smog, allergens, chemical off-gassing from plastics, and more. Safe, non-toxic, pH-neutral, colorless and odorless. Try not to confuse So2Pure with an air freshener. I will not mask or cover up bad smells. So2Pure will eliminate the odor, and continue to do so for up to 1 year. Because So2Pure actually CLEANS the air, it is great for allergy sufferers and anyone with sensitivity to certain smells.