The smell emitted by cat waste is awful, it’s even uglier if you left the litter box inside a room with bare ventilation. To combat that, you must clean the litter box regularly and spray the room with an air freshener. Or, you could let Pura X do the job. It’s a sophisticated litter box for cats that can perform self-cleaning right after your kitty dropped its excrement. The box has a detection sensor that will trigger the cleaning process once the cat leaves the box. To keep the air within a safe to breathe level, Pura X will spray…