The Pura Air Odour Eliminator from Petkit uses intelligent technology to remove odours from your home that come as a result of owning a pet. Specifically engineered with cat litter trays in mind, the Pura Air controls the odour from the source, removes it from the air and neutralises any airborne bacteria.Not only does it remove smells, it brings a clean living space back to you and your pets. The Pura-air odour eliminator is designed with two different working modes. Automatic mode removes the odour when pets enter the detection range and intermittent mode runs every six hours to keep air fresh all day. Made from plant compounds, the high polymer solid air freshener is safe and non-toxic and purifies the air by decomposing the odour molecules such as nitrogen and hydrogen sulfide. In addition, it also helps to promptly suppress the decay of microorganisms contained in odours and prevent bacterial growth. SPECIFICATIONS Colour: White Dimension: L 16.4cm x W 3.2cm x H 4cm Contents: Pura Air Smart Odour Eliminator, Anti-bacteria Filter, AAA Batteries x 3 PRODUCT FEATURES Mount on the wall above the dog’s potty pad or cat’s litters box Suitable for dogs and cats Golden Pin design award 2018 Removes bad odours from pet's waste Releases natural plants scent for fresher air quality Negative ions to deactivate virus and absorb dusts Two alternative working modes - automatic & intermittent Replacement air fresheners available (sold separately) Uses smart infrared thermal detection to know when pets are within range Powered by 3 x AAA batteries (included)