Cat litter tray deodorant Oropharma Deodo Lavender is a cat litter deodorizer with lavender perfume that neutralises unpleasant odours and extends the effectiveness of the cat litter. Neutralizes, absorbs, deodorizes Handy dredger Allows you to deodorize 20 kg of conventional cat litter DIRECTIONS FOR USE Spread the powder evenly on the bottom of the litter box before filling it with litter.