... , a revolutionary new and ideal cleaner for pet litter.4.advantages: high adsobent, superior odour control, long ... it is used as padding material, silica gel cat litter can absorb liquid out of urine, solid waste, as ... so it can keep the air fresh. Besides, cat litter can reduce pet litter greatly, because the new product can absorb more ... One 4L bag(or 3.6L) cat litter can last for up to one month. Cat ...