The W225 series is our most popular series, it comes in 8 different scents, white active carbon and unscented. Its liquid absorption capacity is high and clumps very well due to the unique shape of the granules, they are small and circular, forming a ball in the litter which makes cleaning the tray easier. Proving to be cost-effective and long lasting. For the best results Fill the litter box with 7cm of cat litter. Remove the clumps and solid waste daily as necessary. Always refill to 7cm.Product Details 100% natural Long lasting Super clumping High odour control High absorption 280% – 300% Granule size – 0.6 – 2.25mm