OdourGuard HVAC Odour Eliminator Ready to Use - 1 Litre Spray Bottle Triple blend of odour inhibitors and eliminators to ensure 360° protection. Removes general odour, cigarette smoke, sweaty gym smells, pet odour, commercial kitchen smells, garlic and onion smell at homes trapped in air handing units. Formulated to be compatible with all surfaces including metal, alloys, plastic, ceramics, fabric, rubber, etc.