Biokats classic fresh 3in1 cat litter is a clumping litter with three sizes of granules and a fresh baby powder scent this unique combination of different sized grains speeds up odour binding improves the firmness of the clumps and makes the litter especially economical in use biokats classic fresh 3in1 combines large medium and small grains of litter the large granules have especially large pores which absorb liquid and unpleasant odours like a sponge the medium granules are the perfec