The nestor cat litter box from savic has a high base tray and a raised back wall which helps to prevent leakages the cover is bi coloured and it has a matching tray it is attached to the base with two clips and has an integrated handle the hood including the swing door can be flipped up for easy access and cleaning inside the litter tray the included carbon filter is inserted into the hood and ensures that no nasty smells escape the filter should be changed at regular intervals the savi