Another disadvantage of covered boxes is that they can often be rather smelly. Some models have a ventilation panel with a filter to trap odors. Hooded boxes are more difficult to clean than open boxes as you'll have to remove the lid when you scoop.Christian Louboutin Boots As the name implies, these litter boxes work by utilizing two pans as well as a sifter tray. The two pans are stacked on each other and the sifting tray is kept in the top pan. When you want to clean the box all you do is separate the litter boxes and lift out the sifting tray which will remove waste while leaving the clean litter allowing you to restack the pans with clean litter.Cheap Christian Louboutin Sandals Electric self-cleaning litter boxes have a timed sensor that activates a few minutes after your cat leaves the box. When the sensor is activated it triggers a rake which slides across the litter to push urine and stool into a well. Using a self-cleaning box shouldn't be a reason for not cleaning the box yourself. While the rake generally does a good job, it doesn't get every scrap of urine and feces and may sometimes become clogged. A major disadvantage of this box is that your cat may get scared of it if she sees it in action and refuse to use it.Wholesales Christian Louboutin Boots Some companies are producing litter boxes that look like a piece of furniture or a plant. They are more attractive than conventional ones but because the majority of these boxes are covered, odor can be an issue. If you do decide to use one of these be sure to choose one of the larger ones as they can be small.